About Us

Declaration of Conformity page

Declaration of Conformity

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Please read these terms and conditions carefully before using this Website operated by Harken Australia Pty.Ltd., ABN 61 117 766 382 having our registered office at 1B Green Street, Brookvale, NSW 2100. By accessing or using our Website, you agree to be legally bound by these terms and conditions as they may be modified and posted on our Website from time to time. If you have any other queries on how to use this site, please phone 1300 427 536 (Lines open Monday to Friday from 9:00 – 16:00). You can also email us with a brief outline at sales@harken.com.au

Details of procedures, products, services, prices, payment and delivery are displayed on our Website. If you choose to place an order, you will be given clear instructions on how to navigate our simple online order process and you will be required to provide us with your accurate personal details.


1. Read through these terms and conditions carefully before using this Website.

2. Print a copy for future reference.

3. Read our privacy policy section regarding your personal information.

If you have a comment, concern or complaint about a product or service you have purchased from us, please contact us via email at sales@harken.com.au or by post at 1B Green Street, Brookvale, NSW 2100.


We reserve the right to change any services, product prices, product specifications and availability at any time. All prices and descriptions supersede all previous publications. All product descriptions are approximate. Every effort is made to keep information regarding stock availability on the Website up to date. However, we do not guarantee that this is the case, or that stock will always be available.

If any provision of these terms and conditions is held by any competent authority to be invalid or unenforceable in whole or in part, the validity of the other provisions of this Agreement and the remainder of the provision in question will not be affected.

This Website, any content contained herein and any contract brought into being as a result of usage of this Website are governed by and construed in accordance with law of the jurisdiction specified in the clause below and the parties to any such contract agree to submit to the exclusive jurisdiction of the courts as specified. All contracts are concluded in English. These terms and conditions do not affect your statutory rights.


‘Conditions’ means these terms and conditions.

‘We/us/our’ means Harken Australia Pty.Ltd.

‘Website’ means the Website located at www.spinlock.net.au or any subsequent URL which may replace it or sit alongside it.

‘Australia' means main land Australia and Tasmania.

‘You/your’ means a user of the Website.

‘Working days’ mean Monday to Friday (excluding public holidays in Australia).


Orders will only be accepted from persons over the age of 18. Orders may be accepted from persons resident outside the Australasia.

All orders are subject to acceptance and availability. If any goods ordered are not available, you will be notified by email and you will have the option either to wait until the item is available from stock or to cancel your order. It is your responsibility to provide us with a valid email address so that we can contact you if necessary. Any orders placed by you will be treated as an offer to purchase the goods or services from us and we have the right to reject such offers at any time prior to acceptance.

You shall be responsible for ensuring the accuracy of the details provided on the order form and we will not accept an order unless all details requested on the order form have been entered correctly.

You acknowledge that any automated acknowledgment of your order that you may receive from us shall not amount to our acceptance of your offer to purchase goods or services advertised on the Website.

The conclusion of a contract between you and us will take place when we accept your order by (i) debiting your credit or debit card, or (ii) despatching goods to you/making goods available for download by you or commencing the services, whichever is the earlier.

We will take all reasonable care, in so far as it is in our power to do so, to keep the details of your order and payment secure, but in the absence of negligence on our part we cannot be held liable for any loss you may suffer if a third party procures unauthorised access to any data you provide when accessing or ordering from the Website.

Each item or service purchased is sold subject to additional specific terms and conditions relating to that item or service including, without limitation, terms and conditions concerning estimated delivery times and any warranties. Please ensure that you read such additional terms.

We are entitled to refuse any order placed by you and will not be required to provide an explanation.


Goods will be delivered to you, the buyer, at the address provided by you on the order form.

We can deliver to an address other than the billing address, but please note that extra documentation may be needed to comply with such orders.

You will become the owner of goods you have ordered when they have been paid for and delivered to you.

Any dates quoted for delivery of goods are approximate only and we shall not be liable for any delay in delivery of goods however caused. If, however, we are unable to deliver your goods by the date quoted for delivery, you, the buyer, shall be entitled to cancel the order at any time before delivery takes place.


All prices are inclusive of GST (where applicable) at the current rates and are correct at the time of entering the information onto the system. Prices quoted are for delivery (in the case of goods) and for performance (in the case of services) in Australasia unless otherwise specified. Prices are in Australian Dollars (AUD) unless otherwise specified.

We reserve the right, by giving notice to you, the buyer, at any time before delivery or performance to increase the price of goods or services to reflect any increase in the cost to us, which is due to any factor beyond our control (such as without limitation, any foreign exchange fluctuation, significant increase in the costs of labour, materials or other costs of manufacture).

In the unlikely event of there being such an increase in the price of goods or services you, the buyer, shall be entitled to cancel the order at any time before delivery or performance.

In the unlikely event that the price or description of an item or service has been incorrectly advertised, we will contact you by email, telephone or post to ask whether you wish to proceed with your order with the correct price or description. If you are not happy to proceed, or we are unable to obtain your instructions, we will cancel the order. Unless we have already despatched or commenced performance of your order, we will not be obliged to supply products or provide services at the incorrect price or based on an incorrect description.

Payment can be made by any major credit or debit card or through an electronic payment account as explained on the order form. However, we do not accept American Express or Diners Club cards. Payment will be debited and cleared from your account before the despatch of your goods or provision of the service to you.

By placing an order, you, the buyer, consent to payment being charged to your debit/credit card account or electronic payment account as provided on the order form.

Title to the goods will pass to you, the buyer, on delivery of the goods.

We will issue you with an electronic receipt to your email address once the goods have been despatched.

When you pay for your order by credit or debit card, we carry out checks or ‘authorisations’ with the card issuer for security reasons. Should any problems occur with the authorisation of your card, we will contact you with further details.


To be eligible to purchase goods or services on this Website and lawfully enter into and form contracts on this Website, you must:

• if an individual, be 18 years of age or over; and

• register your real name, address, phone number, email address and any other details requested.

If you are under 18, please ask an adult to contract on your behalf. By offering to purchase goods and services, you represent to us that you are 18 years of age or over and authorise us to transmit information (included updated information) to obtain information from third parties, including but not limited to, your debit or credit card numbers or credit reports to authenticate your identity, to validate your credit card, to obtain an initial credit card authorisation and to authorise individual purchase transactions.



Please choose carefully.  We do not normally give refunds if you simply change your mind or make a wrong decision.  You can choose between a refund, exchange or credit where goods are faulty, have been wrongly described, are different to the product purchased on the website or doesn't do what it is supposed to do. On agreement we will send you a return code and return address label. Write the return code on the outside of the packaging, and then return the product to us at your expense in unused condition and in the original undamaged packaging (or packaging of the same quality) for a full refund less carriage charges. We recommend using an insured delivery service.

Returns must be made within 14 working days of delivery.

You should allow up to 21 days from receipt by us of your returned goods for your refund to be processed. We will normally refund you using the same payment method that you used to purchase the goods. Postage and packaging charges will not be refunded. This does not affect your statutory rights.


Please note that you are entitled to cancel any contract completed with us within 7 working days of receipt of the goods or services. If you do cancel a contract, then you must notify us in writing by sending an email to sales@harken.com.au or a letter to 1B Green Street, Brookvale, NSW 2100. You must retain possession of any goods and ensure that such goods are kept in the same condition as they were when they were delivered until such time as the goods are either collected by us or delivered back to us by you. We will notify you of when we wish to collect the goods. The goods will be collected by us within 7 days of our receiving your cancellation notice and we will charge the cost of collecting the goods and will deduct this from any sum owed by us to you. You also have the right to cancel your order prior to despatch or performance on same day of placing it.


We employ professional carriers. Nevertheless, you must examine goods on arrival. We will refund the full purchase price including postage and packing of an item which is delivered in a damaged or faulty condition or which develops a fault within 3 months from delivery (other than due to normal wear and tear, failure to follow instructions or misuse).

Alternatively, at your option, we will replace the item with the same or a similar product (subject to stock availability).

If a product is damaged or faulty, please contact us at once and no later than 14 working days of receipt, or of the fault developing, and we will arrange a refund or replacement as you request.

Sometimes the product specifications from the manufacturer may change, in which case, if you request a replacement, we will do our best to offer you a substitute of the same or better quality at the same price. If you are not happy with the replacement, you can return it in accordance with our returns policy as outlined above under paragraph 8.1.

Please allow 30 days from receipt by us of your item for your refund to be processed or replacement item despatched.

We reserve the right to refuse to issue a refund/replacement item and to recover the cost of the returns delivery from you in the event that the item is found to have suffered damage after delivery or has been misused or used other than in accordance with the instructions or if the problem is due to normal wear and tear. This does not affect your statutory rights.


The content of the Website is protected by copyright, trade marks, database and other intellectual property rights and you acknowledge that the intellectual property rights in the material and content supplied as part of the Website shall remain with us or our licensors.

You may download or copy the content and other downloadable items displayed on the Website subject to the condition that the material may only be used for personal non-commercial purposes. Copying or storing the contents of the Website for other than personal use is expressly prohibited.

You may retrieve and display the content of the Website on a computer screen, store such content in electronic form on disk (but not any server or other storage device connected to a network) or print one copy of such content for your own personal, non-commercial use, provided you keep intact all and any copyright and proprietary notices. You may not otherwise reproduce, modify, copy or distribute or use for commercial purposes any of the materials or content on the Website.

You further acknowledge that any other use of the material and content of this Website is strictly prohibited and you agree not to (and agree not to assist or facilitate any third party to) copy, reproduce, transmit, publish, display, distribute, commercially exploit or create derivative works of such material and content.

No licence is granted to you in these Conditions to use any trade mark of www.spinlock.co.uk,www.spinlock.net.au,www.harken.com, www.harken.com.au or affiliated companies.

Goods and services sold by us may be subject to copyright, trade mark or other intellectual property rights in favour of third parties. We acknowledge those rights.


We attempt to ensure that the information available on the Website at any time is accurate. However, we will not be held liable for any errors or omissions. We use all reasonable endeavours to correct errors and omissions as quickly as practicable after becoming aware or being notified of these.

Products, services, prices and offers are only valid at the time they are published on our Website. All images should be used only as a guide or representation of the item.

All drawings, descriptive matter and specifications of goods and services on the Website are for the sole purpose of giving an approximate description of the goods and services.

We may also change, suspend or discontinue any aspect of the Website, including the availability of any features, information, database or content or restrict access to parts or all of the Website without notice or liability.

We reserve the right to:

10.1. modify or withdraw, temporarily or permanently, this Website (or any part thereof) with or without notice to you and you confirm that we shall not be liable to you or any third party for any modification to or withdrawal of the Website; and/or

10.2. change the Conditions from time to time, and your continued use of the Website (or any part thereof) following such change shall be deemed to be your acceptance of such change. It is your responsibility to check regularly to determine whether the Conditions have been changed.

You may not use the Website for any of the following purposes:

10.3. disseminating any unlawful, harassing, libellous, abusive, threatening, harmful, vulgar, obscene, or otherwise objectionable material;

10.4. transmitting material that encourages conduct that constitutes a criminal offence, results in civil liability or otherwise;

10.5. breaches any relevant laws, regulations or code of practice;

10.6. gaining unauthorised access to other computer systems;

10.7. interfering with any other person’s use or enjoyment of the Website;

10.8. breaching any laws concerning the use of public telecommunications networks;

10.9. interfering or disrupting networks or websites connected to the Website; and

10.10. making, transmitting or storing electronic copies of materials protected by copyright without the permission of the owner.

We reserve the right to refuse to post material on the Website or to remove material already posted on the Website.


Notwithstanding any other provision in the Conditions, nothing in these Conditions will affect or limit your statutory rights; or will exclude or limit our liability for death or personal injury resulting from our negligence.

The Website is provided on an ‘as is’ and ‘as available’ basis without any representation or endorsement made and we make no warranties, whether express or implied, in relation to the Website, or any transaction that may be conducted on or through the Website including but not limited to, implied warranties of non-infringement, compatibility, security, accuracy, condition or completeness, or any implied warranty arising from course of dealing or usage or trade custom.

You acknowledge that we cannot guarantee and cannot be responsible for the security or privacy of the Website and any information provided by you. You must bear the risk associated with the use of the Internet.

We will use reasonable endeavours to verify the accuracy of any information on the Website but make no representation or warranty of any kind express or implied statutory or otherwise regarding the contents or availability of the Website or that it will be timely or error-free, that defects will be corrected, or that the Website or the server that makes it available are free of viruses or bugs. We will not be responsible or liable to you for any loss of content or material uploaded or transmitted through the Website and we accept no liability of any kind for any loss or damage from action taken in reliance on material or information contained on the Website.

We will use all reasonable endeavours to carry out our obligations within a reasonable period of time but will not be liable to you, the buyer, for any loss, costs or expenses arising directly or indirectly from any delays in doing so and we will not be deemed to be in breach of these Conditions by reason of any delay in performing, or any failure to perform, any of its obligations in relation to these Conditions, if the delay or failure was due to any cause beyond our reasonable control.

We will not be liable, in contract or tort (including, without limitation, negligence), or in respect of pre-contract or other representations (other than fraudulent or negligent misrepresentations) or otherwise for:

11.1. any economic losses (including without limitation loss of revenues, profits, contracts, business or anticipated savings); or

11.2. any loss of goodwill or reputation; or

11.3. any special or indirect losses suffered or incurred arising out of or in connection with the provision of any matter under the Conditions.

You agree to fully indemnify, defend and hold us, and our officers, directors, employees and suppliers, harmless immediately on demand, from and against all claims, losses, costs and expenses, including reasonable legal fees, arising out of any breach of these Conditions by you, or any other liabilities arising out of your use of this Website or any other person accessing the Website using your Personal Information with your authority.

This clause does not affect your statutory rights as a consumer, nor does it affect your contract cancellation rights.


We shall have no liability for delays or failures in delivery or performance resulting from force majeure, including but not limited to, war, demands or requests of Government authorities, strikes, shortages of labour, fuel, power, raw materials, late or defective performance or non-performance by suppliers, transportation disruptions, inability to ship or other causes, beyond our reasonable control.


You warrant that:

13.1. the personal information which you are required to provide when you register is true, accurate, current and complete in all respects;

13.2. you are not impersonating any other person or entity and

13.3. you will notify us immediately of any changes to your personal information by emailing or telephoning our customer service representatives.


In order to monitor and improve customer service, we sometimes record telephone calls.

You can find full details of our Privacy Policy on the Website.


Except for our affiliates, directors, employees or representatives, a person who is not a party to these Conditions has no right to enforce any term of this agreement but this does not affect any right or remedy of a third party that exists or is available.


To provide increased value to our users, we may provide links to other websites or resources for you to access at your sole discretion. You acknowledge and agree that, as you have chosen to enter the linked website we are not responsible for the availability of such external sites or resources, and do not review or endorse and are not responsible or liable, directly or indirectly, for:

16.1. the privacy practices of such websites;

16.2. the content of such websites, including (without limitation) any advertising, content, products, goods or other materials or services on or available from such websites or resources; or

16.3. the use which others make of these websites or resources, nor for any damage, loss or offence caused or alleged to be caused by, or in connection with, the use of or reliance on any such advertising, content, products, goods or other materials or services available on such external websites or resources.


We can ship overseas subject to extra shipping or postage costs, as well as any additional taxes or expenses incurred due to complying with foreign regulatory requirements or laws. You will have an opportunity to cancel your order in case these costs are not satisfactory.


The Website is controlled and operated in the United Kingdom.

The Conditions will be governed by the laws of England and Wales and you irrevocably agree to submit to the exclusive jurisdiction of the courts of England and Wales.


19.1 all hardware products will be shipped with 'Star Track Express PTY LTD'

19.2 all deckware products will be shipped with 'Couriers Please PTY LTD'

19.3 shipping costs are calculated by weight as follows:

     Up to 1kg $12

     1.01kg to 3kg $14

     3.01kg to 5kg $22

     5.01kg to 10kg $32

     10.01kg to 50kg $100

     For orders over 50kg Harken Australia will contact the customer directly prior to processing the order.

19.4 tracking details available on request by emailing sales@harken.com.au

19.5 Harken Australia will only ship to Australia including Tasmania.

19.6 exact shipping costs are calculated in the shopping cart and will be added to the order total before checkout.

19.7 Orders are dispatched within 2 business days and shipping times are estimated at between 1-5 business days depending on your location within Australia.

19.8 If for any reason we are unable to dispatch your order we will notify you within 2 business days.


Harken Australia is committed to providing exceptional customer service and quality products.  We endeavour to make sure that all products listed on our website are currently in stock and pricing is true and correct. Standard delivery timeframes are between 1-5 business days; in the event that an ordered item is not available or we are unable to fulfil your order we will notify you within 2 business days to arrange an agreeable alternative item, a backorder or a full refund including shipping costs.


When purchasing from Harken Australia your financial details are passed through a secure server using the latest 128-bit SSL (secure sockets layer) encryption technology. Our partners in this process are Westpac Banking Corporation and Web Active Corporation Pty Ltd (E-Way).

Competition Terms and conditions | Win a Volvo Deckvest Lifejacket

Competition opens 15/02/18 and closes midnight 28/02/18. 

One winner will be selected at random and will win the following: 1 x Volvo Ocean Race Deckvest Lifejacket, 1 x Chest Pack, 1 x Kneepads, 1 x Deckpack and 1 x T-Shirt. Please note this does not include a MOB Beacon pack or Ocean Signal MOB1 unit or MOB Beacon pack or it's contents, this does not include a safety line.

The prizes are as stated, are not transferable and no cash or other alternatives will be offered. 

The competition is open worldwide. Worldwide delivery will be arranged directly with the winner.

Prizes are subject to availability and the prize suppliers' standard terms and conditions.

The promoters reserve the right to amend or alter the terms of competitions at any time and reject entries from entrants not entering into the spirit of the competition.
Reasonable efforts will be made to contact the winner. If the winner cannot be contacted, or are unable to comply with these terms and conditions, the Promoter reserves the right to offer the prize to the next eligible entrant.

Competition entry is deemed as the submission of 1 comment on Facebook under the competition post: “WIN AN EXCLUSIVE Volvo Ocean Race lifejacket & goody bag! >> ANSWER THIS QUESTION >>> Leg 6: Hong Kong to Auckland >> Which Team will have the highest 24hr run?”

One entry per person, no purchase necessary

The prize is non-transferable and no cash alternative will be offered
By entering the competition, entrants agree to be bound by the rules and by any other requirements set out in the promotional material.

The name of the winner can be obtained by sending a stamped, self-addressed envelope to Spinlock Ltd, 41 Birmingham Road, Cowes, Isle of Wight, PO31 7BH. The decision is final.

The lucky winner will be selected after the closing date and will be contacted in regards choosing their prize.

Cost of shipping is included in the prize; it will be shipped to the address provided by the winner. Any re-delivery requirements where a user has not been available to receive their delivery that requires an additional cost is the winner’s responsibility. The winners are responsible for all expenses not expressly stated in these terms and conditions as being included as part of the prize.

The Promoter accepts no responsibility for failure to receive an entry where such failure is due to circumstances outside the Promoter’s control.
If there is any reason to believe that there has been a breach of these terms and conditions, or of the spirit of this promotion, the Promoter may at its sole discretion refuse to accept an entry.

The Promoter’s decision is binding in all matters relating to this promotion, and no correspondence shall be entered into.

To the extent permitted by law, the Promoter accepts no liability for any damage, loss or injury suffered due to entering this promotion or taking up a prize. By entering this promotion entrants will be deemed to have accepted, and will be bound by, these terms and conditions.

Firstly, thank you for purchasing one of our Deckvest Lifejackets, we hope you enjoy wearing it. Many of our customers use the Deckvest as a personal piece of kit and as such travel widely with it using airlines.

Below is the specification of the CO2 cylinders if you are required to present it to an airline.

The CO2 cylinders may be carried either as carry-on baggage, checked (hold) baggage or in person only with prior approval of the airline. This is according to the IATA Dangerous Goods Regulations; 27th Addition, published 2016, section – Small cartridges fitted into a self-inflating safety device such as a life-jackets or vest:

  • No more than one personal safety device per person;
  • The personal safety device must be packed in such a manner that it cannot be accidently activated;
  • Limited to carbon dioxide or other suitable gas in Division 2.2 without subsidiary risk
  • Cartridge(s) must be for inflation purposes;
  • The device must be fitted with no more than two small cartridges and
  • Not more than two spare cartridges

All of our CO2 cylinders are tested and guaranteed to the following specifications: 

1. Weight – 20g, 33g or 60g CO 2 cylinders

2. Burst pressure - minimum of 560 Bar

3. External pressure - tested to 250 Bar

4. Internal pressure - filled to 60 Bar at 20 centigrade (fill ratio 75% max)


You can download the letter below to show to your airline.

Document Size  
Flying with your Deckvest 279 KB Download

Join the Spinlock mailing list for updates, receive exclusive news and innovations and access exclusive offers and competitions.

Don't worry, we won't spam you, we send emails approximately 5 times per year.  Your details are not passed on and you can unsubscribe at any time!

As an innovative company who routinely develop new and exciting products, we enjoy working with the press.

For the latest press releases, new product briefings, images and videos, please contact press@spinlock.co.uk


Download the documents below for more information on the Rig-Sense and Rig-Sense App.

App web support


Download the documents below for more information on the LW-Sense and LW-Sense App. 


Download the documents below for more information on the LD-Sense and LD-Sense App.

Sense Apps for iOS and Android can be downloaded here.

View the entire Sense range here.

Document Size Category  
LD Sense | Instructions 370 KB Instructions Download
LDS 10 / LWS 10 270 KB Instructions Download
LDS 5 / LWS 5 178 KB Instructions Download
LW Sense | Instructions 676 KB Instructions Download
Rig-Sense | App Instructions 349 KB Instructions Download
Rig-Sense | Brochure pages 877 KB Instructions Download
Rig-Sense | Information document 2.18 MB Instructions Download
Rig-Sense | Instructions 349 KB Instructions Download

Filter by product:

EPIRB-PLB and AIS devices have decreased in size and price over recent years, making them increasingly popular with sailors, recreational water uses and those working on or close to water.

Spinlock Deckvest 5D lifejackets feature a mesh pocket on the outside cover which can be used to hold a EPIRB-PLB or AIS device. The 2014 model (available from late February 2014) of the Deckvest 5D features attachment points for the new Chest Pack, specifically designed for keeping essentials such as a EPIRB-PLB or AIS close to hand. As well as the Chest Pack, the new Essentials Pack range includes the Belt Pack and Side Pack, which can be attached to the belt of any Deckvest or other manufacturer's lifejackets.

A number of AIS devices are marketed as being able to integrate into a lifejacket, with some automatically activated by the lifejacket inflating.*   The Kannad R10 AIS device has been tested to integrate with a Deckvest lifejacket and Kannad have published a document on their own website detailing fitting of a Kannad R10 AIS device into a Deckvest lifejacket. This document can be downloaded from the link below.

*Please note that the integration of an EPIRB-PLB or AIS device with a Deckvest lifejacket is at the owner's liability. Spinlock accept no responsibility for the performance of any EPIRP-PLB or AIS fitted into a Deckvest lifejacket or for any damage caused to the Deckvest lifejacket as a result of having fitted an EPIRB-PLB or AIS unit to a Deckvest. 

Alternatively, the new AIS MOB1 unit has been designed with the Deckvest in mind and can be fitted to an existing Deckvest or purchased already fitted within the product. Read more here.

Document Size  
Kannad R10 - Fitting to Deckvest 5D 571 KB Download
Document Size  
AIS MOB1 User Manual 2.57 MB Download

Request a Brochure

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Hardware FAQs

I have changed my halyard and now my clutches won't hold the new rope

The greater the line diameter, the greater the load holding. If you have reduced the rope diameter then you may need to consider either a rope core insert or sleeved cover to increase diameter in the clutching area. Your rigger will be able to arrange this. When rope is produced some lubricants are used in the manufacture, which can often effect rope holding performance. These lubricants can be washed out of the rope in the clutching area and once removed performance should improve. Check also the clutch or jammer is free of dirt and debris and parts not showing signs of wear.

Can you convert a single unit clutch to a double or triple unit?

It is not possible to convert clutches into different configurations

What lubrication should I use on my clutches?

Spinlock recommend using fresh water to remove dirt and debris from your rope holding products. Remove ropes and flush with as much water as possible. On XAS, XTS and XCS clutches a light grease can be used on the handle bearing to keep a smooth action. ZS Jammers as well as benefiting from plenty of water flushing also require a light grease on the upper and lower bearing surfaces. With all Spinlock rope holding products, routine maintenance will help give consistent rope holding.  

Why do you recommend Silicone sealant as opposed to polyurethane or polysulphide?

Pure silicone is recommended for mounting clutches and Jammers to seal fastener holes against water ingress. Polyurethane and polysulphide as well as being an adhesive can also damage plastic parts they come into contact with.

Will RP25 rope coating improve my rope holding performance?

RP25 rope coating helps improve the interaction of the rope cover and rope core, which will in turn offer better rope holding performance in clutches and jammers.

Can I use 6mm line in a PXR0810?

6mm line can be used in the PXR0810, but like in all rope holding products, best load holding performance is achieved the greater the diameter of the line.

Do newer model clutches use the same drill template as older models?

Most newer model spinlock clutches use the same drill template as older models that they are updating, but customers should always check by downloading the latest drill template from the website. 

What is the difference between a clutch and a jammer?

Clutches allow the line to be released by opening the handle and the handle can be opened under load. Spinlock recommend taking the load safely on a winch, even when using a clutch. With a jammer the load will always end to be taken safely on a winch before the jammer handles can be opened and rope released. 

Spinlock is an independent and innovative company, widely acknowledged as the world expert in ropeholding. Based in Cowes, UK, the 'Home of Yachting', Spinlock has over thirty years experience of designing and manufacturing rope holding equipment for sailing boats, from dinghies up to the largest superyachts.

Spinlock’s cleats, clutches and jammers hold ropes from 2mm to 32mm in diameter and loads up to 12,000kg. The expert skills of our Special Projects Team are valued by America’s Cup, Volvo Ocean Race and other leading racing teams, Open 60’s and superyacht captains for the originality of their custom rope handling solutions.

Spinlock's Deckware Series includes the award winning Deckvest - the world leading lifejacket harness. Where there had been no significant technical or aesthetic change for over thirty years Spinlock developed a completely new and personal lifejacket harness solution that was attractive and comfortable to wear. Active campaigning by Spinlock about the Deckvest and the importance of wearing your own lifejacket harness has helped encourage a much more positive attitude towards sea safety. Power or sail, amateur, professional or commercial, wearing a well-fitting personal lifejacket has now become the norm.

Since 2010 we have been proud to supply special Deckvest versions to the International Certified Instructors of the highly regarded Royal Yachting Association. Other personal protection equipment widely used at top races and regattas are Spinlock Performance Safety Lines, Mast Pro Harness, ZERO Buoyancy Aid and the award winning lightweight lifejacket, the Deckvest LITE.

Trimer SA
0054 114 580 0444

Harken Australia Pty. Ltd
0061 289 788 666

Peter Frisch GmbH
0049 893 65 075

More Marine bv
0031 172 506 820

Western Marine Company
001 604 253 7721

Sunrise Marineware Ltd
0086 755 866 50 101

Sailing Point
Jedrilicarski centar d.o.o.
00385 23 250 855


Vijci "Kranjec"
00385 130 94 275

Nautilus  Naytiliaka LTD

Columbus Marine A/S
0045 461 91 166

Sail Tech J. Herrala Oy
00358 968 24 950

InterDist Sarl.
0033 299 195 454

Peter Frisch GmbH
0049 893 65 075

M. Sheppard & Co. Ltd
00350 200 75 148

Tecrep Marine SA
0030 210 452 1647


0030 210 9854238  

More Marine bv
0031 172 506 820

Hong Kong
Sky International
00852 282 75 876

Yachting Pannonia Kft.
00361 466 6191

Harken Italy SpA
0039 0313 523 511

CosmosMarine Co. Ltd
0081 798 223 780

Marine Service Kojima Co. Ltd
0081 457 903 581

Corea Marine

RLR Yachting
00356 213 31 192

New Zealand
Harken NZ
0064 930 33 744

Flak AS
0047 380 56 600

Ma-Je-R Sp. z.o.o.
0048 228 699 360

Sailingfoz Lda.
00351 226 179 936

Sailing Point d.o.o.
00386 5 677 8125

South Africa
Harken South Africa
0027 215 113 244

EquipYacht s.l.
0034 932 219 219

Liro Skandinavia AB
Slättegårdsvägen 3
SE-427 50 

Bucher & Walt SA
0041 327 559 500

Sail In Siam Co., Ltd.
Showroom and Service Centre.
Ocean Marina,
KM 157 Sukhumvit Road,
Na-Jomtien, Sattahip 
+66 (0) 818375507

Denpar Makina San. ve Tic. AS
Ozbek Sokak No 1
Kavacik, Beykoz
+90 216 693 3535

Marathon Leisure
+44(0)2392 637722

Spinlock USA
001 0877 465 6251 (toll free)

West Indies
Island Water World
001 559 544 5310


Spinlock are proud to support a number of charities and organisations. The focus of our charitable support is in areas aligned to our business and our employees.

Involvement in the Community: In the areas where we are based, we encourage partnerships with local community organisations, schools and colleges to support numerous projects. Employees are encouraged to be involved in their local communities, through volunteering or fundraising and to make use of the company's payroll giving facility.

At Spinlock, we recognise that the benefits are mutual; employees are proud of helping to improve and support communities, which in turn helps them to develop their own skills and experience. We have employees who are local school Governors, board members for local nurseries, who help run local sporting clubs and who give talks and demonstrations for schools and local groups. 

During 2011 we launched our Employee Charity Panel to encourage and support more staff to get involved with their community. Employees can apply for funding (monetary, product or time) to support any charity or community initiative they are personally involved with. These applications are reviewed by the Panel who meet half yearly to allocate funds to the charities who they think will benefit the most.

The leading charity for girls and young women in the UK who are active in every part of the UK, giving girls and young women a space where they can be themselves, have fun, build brilliant friendships, gain valuable life skills and make a positive difference to their lives and their communities. Building girls’ confidence and raising their aspirations.

GCA Sailing has made Greig City Academy the first inner-city London school to have its own sailing club. 5 self-renovated craft and 1,000 sailors strong. The only London comprehensive school with its own fleet, students each year are taking on the challenge of sailing for the first time.

The East Anglian Sailing Trust (EAST) provides disabled East Anglians and their carers with regular opportunities to access and enjoy sailing activities whilst promoting enhanced independence, confidence and community involvement.

Walk the Wight is an annual charity event in aid of the Earl Mountbatten Hospice on the Isle of Wight. Staff are encouraged to enter and enjoy training as a team. Spinlock matches sponsorship achieved by employees.

DCBT is a registered charity that provides boating holidays and day trips for people with disabilities on the River Lee, River Stort and London’s waterways.

Since 1826 Cowes Week has played a key part in the British sporting calendar and is one of the UK's longest running and most successful sporting events. It now stages up to 40 daily races for around 1000 boats and is the largest sailing regatta of its kind in the world.

A maritime charity that teaches yachting, sailing and watersports courses to all levels and abilities from learning to sail to a career in yachting. UKSA offer practical solutions to help change young lives.

Every year the Calvert Trust help thousands of people with disabilities to reach their potential by taking part in adventurous outdoor activities.

Ellen MacArthur Cancer Trust takes young people aged between 8 and 24 sailing to help them regain their confidence on their way to recovery from cancer, leukaemia and other serious illness.

The Trust's aim is to provide help to those young people who display drive, talent and commitment to sailing

The Hampton Trust supports families and individuals who are vulnerable or socially excluded through mentoring, support services and educational programmes.

Spinlock annually support the sailing team with a contribution towards their costs

Contender National Open Event. Spinlock have supported this meeting for a number of years.

Need a helping hand? We may be able to help. If you are based locally to us and need some hands to make light work of your project then give us a shout.

Queens award 3

We would like to support local charities and community organisations who would benefit from a few extra hands. We may be able to offer you up to 40 hours man power to get a job done; such as marshalling, decorating or gardening. It may not be our day job but we’ll always do our best for you. If we can spare the hours depending on our schedule then we’ll be there. 

Email sustain@spinlock.co.uk with your requests. Please give as much detail as possible in order for your application to be accepted.

At Spinlock we're committed to reducing our impact on the environment, and have taken these steps:
  • Reducing use of processed materials
  • Printed literature has been reduced and replaced with downloadable versions and extensive information online
  • All magazines and waste paper are recycled
  • Lobbying against junk ad inserts in boating magazines
  • Requested all suppliers and customers not to use fax
We have also reduced our carbon emissions by:
  • Installing a condensing boiler at office site
  • Only having showroom window lighting on during working hours
  • Sourcing all gas and electricity from renewable resources
  • Replacing warm air heating with high efficiency system at manufacturing site
  • Having 100% low energy lighting at both sites
  • Having fewer, higher efficiency IT servers
  • Using fully recyclable retail product packaging
  • Using recycled fibre for transit packaging
  • Switching 98% of correspondence and documentation to email and online

Select a country:

Cc paddle needles 2017 web

Technical Sportswear Designer
South Coast, UK – Cowes Isle of Wight

Who We Are

Spinlock is an innovative multi-award winning global company with the enviable reputation as the design leader in technical wearable equipment for the marine industry. We have strong history in the Marine Industry and will be celebrating our 50th anniversary in 2018. The brand is distributed into over 25 different countries including North America, Scandinavia, France and UK. We have over 50 staff situated across our Production site and Head Office, both in Cowes, and our US office in Rhode Island.

An opportunity has arisen for a wide ranging role as a lead product designer focusing on the progression of the Spinlock ‘Deckware’ range with a focus on innovation and structural soft goods design. We need a hands on designer, experienced in complex constructions and materials with a keen eye for product aesthetics. Practical skills to develop early prototype samples, and experience of working directly with external suppliers are also key.

You will be working as part of a small team under the direction of the Design Manager and Product Manager. The Design Team is based at our unique head office in Cowes, in an enviable position overlooking the Solent and will require regular overseas travel. The Island is renowned for its watersports, beaches, countryside and good transport links make easy access to the south coast.

What You Will Be Doing Day To Day

• Design, from concept to Production, and Development of new products and updates to existing range
• Analysing and reporting to the team on key looks, textile development, trends, processes and new technologies
• Gathering internal and external information to drive product and range development for the target customer
• Putting together Technical Documentation Packs for suppliers
• Working with the Design Team to evolve the range to ensure it continues to meet the needs of the customer
• Identifying new product and product improvements
• Establish a close relationship with key partners and with the Purchasing and Product team to ensure suppliers have the relevant information
• Regularly visit factories and international trade shows to help source new fabrics, trims and suppliers and ensure smooth production process
• Meet with Production for reviews, input and feedback.

Must Haves

• Proven experience in a similar role
• Experience Designing Sports/Active wear - Knowledge of fabrics/construction and suppliers
• Excellent communication skills
• Competency in sketching,  and skilled in key design software including some 3D  experience
• Practical sewing and pattern making skills to create early simple prototypes 
• Structured “concept validation” and comprehensive product testing experience  
• Ability to create clear and detailed garment tech documents and work closely with our overseas suppliers
• Confident in presenting
• Supplier and factory experience
• Ability to work under pressure and in a time critical environment to development deadlines
• Self-focused and motivated
• Team player
• Open and can do attitude
• Strong team player, who relates well to others
• Excellent organisation skills and data management
• Willing to take responsibility for decisions
• Ability to set priorities and achieve deadlines
• Ability to understand and deliver a brief in a concise manner
There are lots of reasons to work for Spinlock, you’ll meet some great people, progress on your career development and be rewarded for your contribution to our success. We are a small friendly team located in a great place to work. A certain type of person works for Spinlock, one who strives to be the best they can be and help drive innovation, quality and customer service, through team work. 

A competitive salary with benefits is available depending on experience.
Interested? Please send your CV and portfolio details with covering letter (include salary expectations) to careers@spinlock.co.uk. 


Deckware FAQs

My Deckvest 5D and Deckvest LITE label states 150N buoyancy, yet the packaging states 170N?

The Deckvest 5D and LITE are tested to a standard of 150N - the minimum buoyancy of the category - and we are required state this on the label. The Deckvest 5D and Deckvest LITE have an actual buoyancy of 170N. 

The Deckvest 5D is also available in 275N buoyancy for certain applications.

Should I buy a 170N or a  275N Deckvest?

170N is the accepted standard for recreational sailing. It is a comfortable, wearable size that is not too intrusive and it provides significant buoyancy when in the water. The 275N provides significantly more buoyancy so is suitable for larger people and situations where additional weight might be carried, i.e. tools, steel toecap boots, etc.  Remember additional buoyancy and size is not always an advantage as it is heavier to wear and harder to use in the water, i.e. if entering a liferaft, etc.

What size Deckvest 5D should I buy, 1, 2 or 3?

The Deckvest 5D is available in 3 sizes. See here for size guides.

The size 2 Deckvest will fit the majority of customers – around 85 % of our Deckvest sales are a Size 2.

The Deckvest LITE is available in one size.

The Deckvest CENTO is one size, specifically for junior users aged 8 to 15 years old weighing from 20-50kg. 

What is the difference between Deckvest 5D and LITE?

The Deckvest 5D is a high specification lifejacket with integrated deck harness. It comes fitted as standard with these features.

The Deckvest LITE is a ultra lightweight lifejacket which may be used for a wide variety of applications, from inshore sailing, RIB, powerboat, fishing, kayaking, paddleboarding and more. You may add to the LITE many additional features depending on application; including Sprayhood, Pylon™ lifejacket light, Lume-On™ bladder illumination lights. You can also convert this product easily to manual only operation if required. 

Does the the Deckvest LITE have a integrated deck harness?

The Deckvest LITE has no integrated deck harness.

For an offshore lifejacket with harness see the Deckvest 5D. For a deck harness only, see Deck-Pro.

How  do you to fit the thigh straps or order replacements

There are fitting videos in the video section of the site and replacements can be ordered through the store.

Choosing between the Hammar Hydrostatic or UML Pro Sensor inflation system

Both inflation systems are very effective but are suitable for different situations. In general, the Hammar system is better suited to very wet conditions as it relies on water pressure to activate.

The UML system is easier to service and parts are more readily available around the world. They are also very resistant to wet conditions - check out the “How Water Sensitive is a Deckvest Pro Sensor 170N Lifejacket?" video.

For more inflation system information see Lifejacket Inflation Systems Explained

Can I convert my UML Pro Sensor inflation system to Hammar Hydrostatic inflation and vice versa?

No. Unfortunately you cannot do this because they are very different units.

See here for more information on Inflation Systems.

Which re-arming kit do I need, and how do I fit it?

The product pages specify the part number of the re-arming kit that you will need for you Deckvest lifejacket. The UML re-arming kit fits both the Deckvest Pro Sensor and Deckvest LITE lifejackets. Instructions for fitting can be found on the product packaging and in the Spinlock videos.

I find my Deckvest is uncomfortable, have I fitted it correctly?

Correctly fitting and adjusting your Deckvest is key to its comfort. The Spinlock range of lifejackets are designed to be incredibly comfortable and lightweight so they can be worn for extended periods of time. 

Ensure both waist and back adjustment have been used (if applicable). Typically, Deckvest lifejacket should sit higher up the body, the front almost in line with the sternum, and the top should shape and fit around the shoulder, not sitting on the neck. Please see the Spinlock videos to ensure you have it correctly fitted.

The size guide will also help you check you have the correct size product.

 Servicing:  Where, How, When?

The Deckvest is designed to be easily check and maintained by yourself. Follow the videos online for basic and more detailed checks. 

We recommend that you check your Deckvest at least once a season and before any long passages.  If you would rather a professional looked over it then there is a list of approved Deckvest service centres here.

Can the bladder be repaired or replaced?

We do not recommend that a punctured bladder is repaired. However, if your Deckvest has the “button in” attachment on the lifejacket then we can supply a replacement bladder for you to fit. 

I’ve broken my zip, can it be fixed?

The zips on the Deckvest are plastic to ensure they do not corrode. However, they can break if they are snagged or forced. It is possible to replace the slides. Please contact us for spares and instructions.

The elastics on my Mast Pro Harness have worn out.

Non-skid decks and salt water can take a toll on elastics. Replacement leg strap elastics are available here.

Can I fly with my Deckvest?

Although it is often raised as an issue at check in, International IATA regulations state that you can fly with two lifejackets and two re-arming kits as long as they are declared at check in. See Flying with your Deckvest for more information and to download our document to show your airline.

When does the Warranty period start and what is covered.

The 5 year (if registered with TLS) warranty period starts from when you purchase the Deckvest. See Warranty for more details.

Are the Deckvest 5D, LITE, CENTO approved to SOLAS?

No – SOLAS is a commercial standard for abandonment lifejackets. The Deckvest is tested to the International ISO12402 standard that covers wearable lifejackets. Spinlock have launched a Deckvest SOLAS 275 Twin Chamber lifejacket which is designed for commercial use.

Manufacturing Dates

There are several dates printed on the Deckvest. The date on the inside label shows which quarter of which year the lifejacket was completed. Harnesses are often made in large batches earlier whilst firing caps are added at a later date than this to ensure that they reach the stores with the maximum lifetime on them.

Lifejacket vs Buoyancy Aid

WING & FOIL buoyancy aids (also known as PFDs - Personal Flotation Devices) assist with buoyancy, you must be a competent swimmer as they only aid you in the water. Lifejackets are tested to a standard which requires that the lifejacket turns an unconscious casualty over to allow them to breathe.

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Spinlock Deckvest lifejackets use a range of inflation systems.

Deckvest 5D

The Deckvest 5D lifejacket harness is available with either UML Pro Sensor (water activated) or Hammar Hydrostatic (pressure activated)

Deckvest LITE

The Deckvest LITE lifejacket uses a water activated UML Mk5 paper coil inflation system. 

The USCG Approved Deckvest LITE (available to purchase in US only) uses the water activated Halkey Roberts Alpha Auto Inflator.

Deckvest CENTO 

The Deckvest CENTO junior lifejacket harness uses a water activated UML Mk5 paper coil inflation system.

Deckvest SOLAS

The Deckvest SOLAS 275 twin chamber lifejacket uses two UML Mk5 paper coil inflation systems.

Lifejacket Inflation Systems Explained

UML Mk5 Inflator 

This is a water sensitive activation system that uses a compressed paper capsule which dissolves when wet which then releases a spring to puncture the CO2 cylinder.

The cap is designed so that only water flowing upwards through the unit will cause it to activate. Water, spray and rain running down the jacket will not cause activation. 

Mk5 operating system

UML Pro Sensor Inflator 

This is a water sensitive activation system that uses a compressed paper capsule which dissolves when wet which then releases a spring to puncture the CO2 cylinder.

The cap is designed so that only water flowing upwards through the unit will cause it to activate. Water, spray and rain running down the jacket will not cause activation.

The Pro Sensor has two indicators that show the status of the CO2 cylinder and firing head.

The UML Pro Sensor is a very reliable system which is easy to check and re-arm. It is also easy to convert to manual firing only. Re-arming kits for this inflation system are stocked by most marine stores.

3 year expiry date on firing head.

Pro sensor operating system

Hammar Hydrostatic Inflator

The Hammar inflation system is activated by water pressure and will not inflate until the cap is approximately 10cm underwater. 

This system is designed for use in more extreme conditions and extended offshore sailing.

The benefit of the Hammar system is that the jacket cannot accidently inflate from being wet with rain and sea spray.

The unit has a single indicator to show if armed, and has a 5 year expiry date.

Delayed inflation can be caused if full immersion of the firing head is delayed by buoyant foul weather clothing.

Hammar operating system


Halkey Roberts Alpha Auto Inflator

The USCG Approved Deckvest LITE uses a water activated Halkey Roberts Alpha Auto Inflator that is is designed so that only water flowing upwards through the unit will cause it to activate. Water, spray and rain running down the jacket will not cause activation. 

Hr firing head 6 x 4

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The marine environment is very harsh on soft materials and your Deckvest lifejacket will last for much longer if cared for. 

Simple care involves wiping with a damp sponge to remove salt and dirt before drying in an aired room. More detailed care can be undertaken following some simple steps which are detailed in the instruction book.

You will find a range of videos on inspecting and caring for your Deckvest on the Spinlock YouTube channel.

Spinlock Ltd
41 Birmingham Road
Isle of Wight
PO31 7BH

T: +44 (0) 1983 295555

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Spinlock USA
11-A Bowler Lane

T: +1 (0) 8774 656251

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Live webcam streaming from our office, looking North East across the River Medina entrance at Cowes and out into the Solent

To return an item ordered from the Spinlock website, please contact orders@spinlock.co.uk with your order number. You will then receive a returns number. 

UK: Due to carriage restrictions, please do not use Royal Mail to return your lifejacket to Spinlock. Please use an alternative courier supplier.

Spinlock offer next day shipping when ordered by 1pm local time

Orders shipping to UK address are sent on a next day delivery service. 

Orders shipping to addresses outside the UK are sent on 3-5 working day service.

All orders will receive a tracking number.

If you have any questions related to your delivery please contact orders@spinlock.co.uk

For full details please read our Terms & Conditions 


The following is a summary of your product warranty. Full details of the warranty, together with

important exclusions and limitations, are contained in the terms and conditions (another copy of which

can be provided upon request) which apply to your purchase.

The following definitions apply to this summary:

“Spinlock” and “Company” means Spinlock Limited a company incorporated and registered in England

with company number 00943480.

“Goods” means the products, articles or things which you have purchased from the Company.


Spinlock warrants to you (the buyer) that the Goods are to be free of defects in materials and

workmanship for the Warranty Period (as defined below).. In the case of such a defect, the Company will

either repair or replace the Goods concerned but such obligation to repair or replace is the limit of the

Company’s liability under its warranty.


i) The Warranty Period will be 5 years from date of purchase in respect of hardware and 2 years from

date of purchase of Deckware provided that in the case of the ‘Deckvest’ product the 2 year period can

be extended to 5 years by you registering the purchase of the ‘Deckvest ‘product on the Company’s

website within 30 days of purchase. These warranty periods are reduced to 1 year from date of purchase

for any Goods used (i) in professional or semi-professional racing applications, (ii) for military purposes or

(iii) outside of leisure sailing.

ii) Determination of the suitability or fitness of the Goods for the purpose contemplated by you in

purchasing the goods remains your sole responsibility and the Company does not give any warranty in

connection with such suitability or fitness.

iii) The Company shall not have liability under the warranty for wear and tear, corrosion or ultra violet

degradation or if the Goods:

a) are used for any application for which they were not designed;

b) are defective as a result of you failing to follow the Company’s oral or written instructions as to the

installation, storage, commissioning and use of the Goods;

c) are incorrectly maintained or not maintained at all;

d) are used in conditions that exceed the performance specification stated by the Company for those


e) are damaged as a result of wilful damage, by accident, by negligence by you or a third party or due to

use in abnormal conditions;

f) are altered or modified in any way;

g) are serviced by anyone other than an authorised representative of the Company (unless such service

meets the Company’s stated guidelines and standards for service of the Goods concerned)

iii) Any Goods subject to a warranty claim must be returned to the Company for inspection unless we

notify you to the contrary in writing.

iv) The Company are not liable for any shipping or installation labour charge associated with any warranty


v) This warranty does not affect your statutory rights as a consumer.

vi) You should note that certain environmental elements such as salt, sand, moisture and chemicals may

considerably accelerate wear of certain of the Goods. In exceptional circumstances, wear or damage

could occur on the first use of the Goods which would reduce the lifetime of the Goods to that single use.


All warranties conditions or terms which may be implied by law or custom are expressly excluded from

any contract between us to the fullest extent permitted by applicable law. Where the applicable law does

not permit an implied warranty to be excluded, then such warranty shall, if permitted by such law, be

limited to a period of one year.

Spinlock will not be liable, in contract or tort (including, without limitation, negligence), or breach of

statutory duty or in respect of pre-contract or other representations (other than fraudulent

misrepresentations) or otherwise for any of the following types of loss or damage suffered or incurred by

you arising out of or in connection with the use of this Website or the sale or supply by Spinlock of goods

or services to you:

a) loss of income or revenue;

b) loss of profits (whether direct or indirect);

c) loss of contracts, business or anticipated savings;

d) loss of or harm to goodwill or reputation; or

e) any special, consequential or indirect losses or damages not covered by the preceding paragraphs.

To the extent that Spinlock’s liability to you is not excluded by the preceding paragraphs, Spinlock’s

liability to you, in contract or tort (including, without limitation, negligence), or breach of statutory duty

or in respect of pre-contract or other representations (other than fraudulent misrepresentations) or

otherwise for any loss or damage suffered or incurred by you arising out of or in connection with the use

of Spinlock’s Website or the sale or supply by us of goods or services to you will be limited to the

purchase price of the goods or services to which such loss or damage relates or £1,000,000 (whichever is

the greater).


If any clause of our terms and conditions (including the warranty) is held by any competent authority to

be invalid or unenforceable in whole or in part, the validity of the other clauses of the other provisions of

the terms and conditions and the remainder of the clause in question shall not be affected (including the

warranty and all relevant exclusion and limitation provisions).


This warranty gives specific legal rights, in addition to other individual legal rights which may vary

according to country. Spinlock reserve the right to alter the design and specification of any product

without prior notice.

Alegre 01

Clutches and jammers have always been a simple and cost effective rope holding solution when compared to a winch and, more recently, halyard locks.  

Halyard locks, and the benefits in reducing mast compression, are a key component of many competitive boats and are now being more widely used on large performance cruising boats.  A halyard lock is the equivalent of a traditional mainsail tack pin, just at the top of the mast. However, the use of a lock does require you to hold and adjust the full sailing load at deck level, using a clutch or jammer.  With the advent of new sail designs, especially downwind sails, with most requiring extremely high luff loads, clutches and jammers are now being worked harder by another corner of the sail, namely the tack.  Locks are not suited to tack applications because with mast rake changes, different types of sail carried and trimming requirements, infinite adjustment is often required. Using a clutch or jammer, these adjustments can be controlled in the normal way at deck level. 

On a number of recent high performance multihulls (including the AC45's) the downwind sails are permanently attached to the bow furler, because its not practical to go out onto the bowsprit during a race.  In cases like these,  jammers have been used at the mast head to provide a variable locking position and are operated remotely from the deck on a trip line, just like a lock.  This approach is working for a number of larger yachts were it is notoriously difficult to dimensionally control and set a sail between two points over forty metres apart and even harder to get the inboard reefs to fit.

Remote operation of clutches and jammers is now common on board many performance yachts.  The first boats to embrace remote operation were the IMOCA 60's for end of boom reef jammers and tack line jammers mounted on the bow.  More recently the focus on aerodynamic efficiency of deck layouts has forced designers to run sheets and halyards underdeck when possible.  The TP class has led the way with remotely operated under deck spinnaker sheet clutches and pit clutches buried in the coach roof.  Mini Maxi designs are following suit by utilising side mount, bonded, remote operation XXC ceramic and titanium clutches and ZS jammers.  

With the holding capacity of clutches almost doubling over the past 5 years, many applications can now be held with the convenience of a handle operated unit rather than a winch release jammer. This has been particularly helpful for use on tack lines for spinnaker drops were the tack release is critical for a fast and safe drop, whether by hand or winch driven.  Larger and offshore yachts carefully consider the properties of the load holding equipment they require and often reduce the load holding required with a purchase, therefore allowing a particular clutch or jammer to be used.  The very latest Volvo Ocean Race 65 has been careful planned between sailors, running rigging experts and the designer, resulting in cost effective and 100% race proven solutions which work for both inshore and offshore with the removal of a single purchase. 

The Spinlock high load product range, especially rope holding equipment, has developed rapidly in the last few years providing lighter, stronger and more adaptable products, without the need of expensive customisation, all with ever increasing load holding capacity.  

Contact Spinlock directly to discuss any projects you have in mind where we maybe able to provide a competitive edge, make your life on board easier or simply more organised.

Deckware Size Guides

Deckware range now includes a variety of products suitable for different requirements. It is important for comfort and safety, that you fit your Deckvest properly.

Deckvest 5d size guide 2018Deckvest lite size guide 2016Deckvest cento size guide 2016Wing foil size guide 2016Kneepads size guide 2016Deckvest lite uscg size guide 2016Deckvest solas size guide 2016Deckvest duro size guide 2016
Spinlock offer next day shipping when ordered by 1pm local time. However due to demand web orders are currently shipping 48hrs after orders placed before 1pm local. 
Orders shipping to UK address are sent on a next day delivery service. 
Orders shipping to addresses outside the UK are sent on 3-5 working day service.
All orders will receive a tracking number.
If you have any questions related to your delivery please contact orders@spinlock.co.uk.
For full details please read our Terms & Conditions.