Our 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 screwgate or twistlock