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Black Diamond RockLock Screwgate


The RockLock HMS Screwgate is an ideal canyoning carabiner, providing one-handed snag-free use when abseiling, belaying, or rigging anchors.

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The Black Diamond RockLock Screwgate is an ideal companion for canyoning descenders where the rope runs directly across the surface of the carabiner (it fits a range of popular descenders including the SQWUREL, CRITR2, Hoodoo-SL, ATS, and No.Mad).

The keylock nose prevents snagging while a slightly curved spine maximises the gate opening.

The HMS shape is designed specifically to be compatible with a Munter Hitch, whether used as part of a releasable anchor, top belay, or as an emergency descender.

The fully rounded shape ensures the rope runs smoothly, with a larger surface area in contact with the rope reducing wear and providing even friction.

The absence of cut-out areas (such as on carabiners with an I-beam construction) prevents the formation of sharp edges and delivers a longer life-span.

Key advantages:

  • HMS shape is ideal for abseiling, belaying or anchor rigging
  • solid round profile provides smooth friction and longer life
  • keylock nose prevents snagging
  • curved spine maximises gate opening
  • easily operated with one hand

Product information:

  • Weight: 85 grams
  • Material: anodised aluminium
  • Dimensions: 116mm long, 76mm wide
  • Gate opening: 24mm
  • Closed gate strength: 24kN
  • Open gate strength: 8kN
  • Made in: Taiwan


Weight 85 g

Grey, Black