The 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.Increases friction up to 30% when lowering or rappelling with an ATCMunter Hitch compatible on ropes up to 9.4 mmKeylock nose prevents snaggingScrewgate sleeveTECH SPECSWeight : 52 g (1.8 oz)Closed Gate Strength : 21 kN (4,721 lbf)Open Gate Strength : 7 kN (1,574 lbf)Minor Axis Strength : 8 kN (1,798 lbf)Gate Opening : 20 mm (0.79 in)