Black Diamond Rocklock Triple Lock Carabiner Gray One Size. This versatile locker is ideal for glacier travel anchors or use with a belay device. Specifications for Black Diamond Rocklock Triple Lock Carabiner: Manufacturer: Black Diamond Size: One Size Color: Gray Fabric/Material: Aluminum Steel Plastic Weight: 94 g Last Chance: Yes Features of Black Diamond Rocklock Triple Lock Carabiner Square hinge end holds belay loop securely in place Slightly curved spine maximizes gate opening Keylock nose prevents snagging One-hand operable triple action twistlock sleeve Type H or HMS connector. For dynamic belaying using a Munter hitch or belay device Package Contents: Black Diamond Rocklock Triple Lock Carabiner Black Diamond BD2102051003ALL1: Rocklock Triple Lock Carabiner Gray One Size