Our largest belay and rappel locker, the Black Diamond RockLock carabiner features a keylock nose, is Munter Hitch compatible and can be operated with one hand.
RockLock Screwgate Carabiner
Square hinge end holds belay loop securely in place
Slightly curved spine maximizes gate opening
Keylock nose prevents snagging
Type H or HMS connector. For dynamic belaying using a Munter Hitch or belay device.