Black Diamond's largest belay and rappel locker, the Black Diamond RockLock carabiner features a keylock nose and is Munter Hitch compatible. It’s available as a screwgate or twistlock—both 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
• One-hand operable
• Available as a twistlock