The Black Diamond RockLock carabiner is their largest belay and rappel locker and features a keylock nose. Munter Hitch compatible and can be operated with one hand.

• Square hinge end holds belay loop securely in place
• Slightly curved spine maximizes gate opening
• Keylock nose prevents snagging
• Screwgate sleeve
  
• Type H or HMS connector. For dynamic belaying using a Munter Hitch or belay device.