The Black Diamond RockLock Screwgate is a large locking carabiner that is great for belaying and abseiling. Now features a hot-forged lightweight construction, a redesigned spine for better handling, and a larger rope-bearing surface for greater durability. Featuring a snag free keylock nose, and compatible for use with a Munter Hitch, the Black Diamond RockLock Screwgate is one hand operable too. Features Square hinge end holds belay loop securely in place Slightly curved spine maximises gate opening Keylock nose prevents snagging One-hand operable Screwgate sleeve For dynamic belaying using a Munter Hitch or belay device. Specification Gate Clearance mm: 21 Gate Closed kN: 24 Gate Open kN: 8 Keylock: Yes Minor Axis kN: 8 Width Widest mm: 76 Length mm: 117 Material: Alloy Weight: 85g