Black Diamond Rocklock Screwgate Carabiner Black. Now featuring a hot-forged lightweight construction a redesigned spine for better handling and a larger rope-bearing surface for greater durability the RockLock is the go-to screwgate for every day climbing season after season. Specifications for Black Diamond Rocklock Screwgate Carabiner: Manufacturer: Black Diamond Quantity: 1 Weight: 3 oz Carabiner Type: Screw Gate Carabiner Gate Opening: 24 mm Features of Black Diamond Rocklock Screwgate Carabiner Hot-Forged for lighter-weight construction Square hinge end holds belay loop securely in place Slightly curved spine maximizes gate opening Keylock nose prevents snagging One-hand operable Screwgate sleeve Type H or HMS connector. For dynamic belaying using a Munter Hitch or belay device. Package Contents: Black Diamond Rocklock Screwgate Carabiner Black Diamond BD2102560002ALL1: Rocklock Screwgate Carabiner Black