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Black Diamond Rocklock Twistlock Carabiner

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The RockLock Twistlock Carabiner is Black Diamond's largest belay and rappel locker and now has a lightweight hot-forged construction, a redesigned spine for better handling... Read more
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The RockLock Twistlock Carabiner is Black Diamond's largest belay and rappel locker and now has a lightweight hot-forged construction, a redesigned spine for better handling and a larger rope-bearing surface for increased durability. It also features a keylock nose, is Munter Hitch compatible and has a one-hand operable autolocking twistlock closure. Perfect for belaying, rappelling or anchors.


  • Hot-Forged for lighter-weight construction

  • Square hinge end holds belay loop securely in place

  • Slightly curved spine maximizes gate opening

  • Keylock nose prevents snagging

  • One-hand operable

  • Autolocking Twistlock sleeve

  • Type H or HMS connector. For dynamic belaying using a Munter Hitch or belay device.


  • Weight 89 g (3.1 oz)

  • Closed Gate Strength 24 kN (5395 lbf)

  • Gate Opening 24 mm (0.95 in)

  • Minor Axis Strength 8 kN (1798 lbf)

  • Open Gate Strength 8 kN (1798 lbf)