Dmm Big Boa Screw Gate

Priced: $15.95 - $24.95
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Dmm Big Boa Screw Gate -

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 DMM have 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.

Also available now is an anti-vibe gate system that prevents the gate from rocking back and forth in the locked position.



  • Strong I-Beam construction to save weight (almost 25% reduction)


  • Excellent gate opening with large working area
  • Easy to handle in gloves
  • Available with Screwgate, Quicklock, Locksafe locking systems
  • Designed and manufactured in North Wales, UK
  • Anti-vibe gate available
  • Classic pear shape
  • Machined from premium 7000 series aluminum for quality and tolerance far stricter than current standards
  • Large clean nose HMS locking biner
  • Ideal for rigging; can accommodate multiple knots
ProLite Gear
Accommodate whatever belay setup you want with the Big Boa HMS IBeam Keylock Screwgate Carabiner from DMM that has an offset opening which can easily accept a lot of rigging. With high core strength and snag-free keylock opening, this do-it-all locking carabiner is perfect for all your climbing needs.
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Country of Origin:Uk
Frame Shape:Modified D
Gate Clearance:24mm
Gate Closed Strength:25KN
Gate Open Strength:8 kN
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Similar Products:

Dmm Big Boa HMS IBeam Keylock Screwgate CarabinerDmm Big Boa HMS IBeam Keylock Screwgate Carabiner$15.95

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