Black Diamond RockLock Screwgate Carabiner
Black Diamond RockLock Screwgate Carabiner, The RockLock Screwgate Carabiner is Black Diamond's biggest biner for belaying top rope anchors and long-lasting durability in the climbing world. Black Diamond designed this locker with a keylock nose for snag-free unclipping a curved spine for a larger gate opening and a square hinge to hold your belay device in place.