An ultralight, pear-shaped locking biner that&&';;s ideal for long free climbs and slimming your rack, the VaporLock Screwgate strikes the perfect balance between weight savings and function. Our lightest full-function pear locker, the Black Diamond VaporLock carabiner provides a smooth increase in friction and is ideal for belaying and rappelling when you want more control. Made of 7075 aluminum containing 25% pre-consumer recycled aluminum. Increases friction up to 30% when lowering or rappelling with an ATC Munter hitch compatible on ropes up to 9.4 mm Keylock nose prevents snagging Screwgate sleeve Type H or HMS connector. For dynamic belaying using a Munter Hitch or belay device Weight: 52 g Gate Opening: 21 mm Minor Axis Strength: 8 kN Open Gate Strength: 7 kN Major Axis Strength: 21 kN Country of Origin: Taiwan 95% Aluminum (7075 and 6061), 4% Steel, 1% Delrin