DMM Boa HMS Locksafe carabiner

DMM Boa HMS Locksafe carabiner

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Boa 2009

The Boa is the rigging carabiner of choice for many climbers and it has proved to be one of our most popular carabiners over the last few years.

The fact that the Boa's popularity has spread across into the industrial, arborism and technical rescue markets proof that we managed to get the fundamental design and performance characteristics pretty much correct.

We have just finished revamping the Boa and it now features a fully I-beamed hot forged back and a keylock nose. This has had a dramatic effect on the weight and the Boa Screwgate comes in at a svelte 82g - which is remarkable considering it's size.

It works so well because the offset HMS shape makes it massively versatile and very strong - it operates both as a very good belaying carabiner and as a rigging biner.

On belaying duty it works well with belay devices of all sizes - we designed the top bar so that its curve does enter the belay device itself and jam the ropes, whilst its smooth profile and massive 11.4mm rope radius means that it also works well with an italian hitch.

On rigging duties its massive internal space means it eats up ropes and slings and is perfect for creating centralised anchor points. The slight offset shape also forces the load towards the spine increasing the carabiners strength.

The new Boa also features our new super strong 7075 barrel that resists cross loading forces and makes its use with figure of eights potentially much safer.

The new Boa series can all be drilled and fitted with captive bars on request.

The Boa series is available with either Screwgate, Quicklock or  Locksafe locking systems.

  Product Weight Strength (Gate-Closed) Strength (Gate-Open) Strength (Minor-Axis) Gate Opening Rope Bearing Surface Width Catalogue No  
  Boa Screwgate 83g 25kN 8kN 10kN 25mm 11.4mm A892  
  Boa Quicklock 86g 25kN 8kN 10kN 24mm 11.4mm A893  
  Boa Locksafe 86g 25kN 8kN 10kN 24mm 11.4mm A897  

We use Royal Mail and DPD Parcel services to dispatch goods to customers. We will use the most appropriate service available for the goods being dispatched these services normally require a signature on receipt of the package(s). We reserve the right to use alternative methods at our discretion.

Normal delivery days are Monday – Friday. Orders are delivered within 3-5days using our normal delivery service. Next day delivery is available at additional cost. Orders received before 12pm can be processed for next day delivery we will telephone you if this service is not achievable for your particular order. Our current website carriage charges are based on order value.


Order value up to £100.00 delivery cost £5.00

Order value of £100 and over delivery cost £ FREE

Next day delivery cost £12.00

You can return/exchange your item(s) within 30 days at your own expense (non-used item(s) in new condition). We will either exchange the item(s) and send it to you for free or refund your money minus shipping costs. Both the returned item(s) and the packaging have to be in unused, resellable condition.

Any returns should be sent to:
BCH Camping Ltd
8 - 12 Islington
Wiltshire BA14 8QE

Tel: 01225 764977 or email at

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Since 1976

BCH Camping & Leisure

BCH Camping is an established camping store founded in 1976, we pride ourselves on our personal service and advice in providing quality camping and outdoor equipment. With us you will find everything you need for serious Trekking, Travelling, Walking, Climbing, Camping and Caravanning. We offer a complete and comprehensive selection of top brands and the best outdoor equipment available.

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