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DMM BOA HMS SCREWGATE Coloured Carabiner

See more Rock - Carabiners


Availability: In stock.

Quick Overview

Coloured choices for the top-notch DMM Boa HMS Screwgate - the Big Daddy of locking carabiners.


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DMM BOA HMS SCREWGATE Coloured Carabiner
DMM BOA HMS SCREWGATE Coloured Carabiner DMM BOA HMS SCREWGATE Coloured Carabiner DMM BOA HMS SCREWGATE Coloured Carabiner DMM BOA HMS SCREWGATE Coloured Carabiner


Guides and Mountaineering instructors wanted a simple solution to help transfer their knowledge and experience to their clients, simplify systems, and take out confusion at belays. With our small batch, in-house production we were able to provide that solution. We have taken our best loved Boa biners and colour coded them. Red, Blue, and Green: they sound different – even in a wild mountain environment, and they look different – even in poor light.

Not only suited to the mountain professionals, climbers of all abilities wanting easy identification will benefit.

This is the ‘Big Daddy’ of lockers – the ultimate rigging biner and one which is super strong and super tough.

It is large enough to accommodate several knots and has a very wide gate opening – just what you need in a rigging situation. All of which makes it a great centre use biner, but the story doesn’t end there.

Despite its name, the Big Boa is surprisingly light; by giving it an I-Beam construction we’ve reduced the overall weight by almost 25%. Add in the fact that it is easy to handle in gloves and the appeal to winter climbers is obvious.


  • Large clean nose HMS locking biner
  • Ideal for rigging; can accommodate multiple knots
  • Large gate opening
  • Easy to handle in gloves
  • Strong I-Beam construction to save weight
  • Available in three colours for easy identification

Major Axis

25 kN

Minor Axis

10 kN

Gate Open

8 kN


83 g



Additional Information

Brand DMM
For safety reasons: No returns on rated climbing or access equipment.
This exclusion does not affect your right to an exchange or refund for faulty goods.


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