DMM Phantom Screwgate Carabiner 5021-173
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DMM Phantom Screwgate Carabiner

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Show Description

The lightest keylock locking biner in the world (circa spring 2010). They're light, so you can bring some extras. For the size, this biner has strong open gate and cross-load breaking strength. The tradeoff is overall strength and durability, which won’t be as great over the life of the biner.

  • I-beam construction gives it a very impressive gate-face test of 4kN. This test pushes the gate face inward while locked.
  • Constructed from hot-forged aluminum.

Tech specs

Show Tech specs
Weight 42g
Ideal for
  • Snow and ice climbing
  • Rock climbing
  • Indoor climbing
Gate type Straight
Lock type

Auto-locking biners use a spring mechanism to close. Screwgate have a collar that you screw open or closed.

Material Aluminum alloy
Strength closed 24kN
Strength cross-loaded 9kN
Strength open 9kN
Gate opening 1.6cm
CE certified Yes
Three sigma tested Yes
Made in United Kingdom