Black Diamond VaporLock Screwgate Carabiner - The VaporLock Screwgate Carabiner by Black Diamond is the lightest, full-function pear locker on the planet. The VaporLock carabiner provides a smooth increase in friction and is ideal for belaying and rappelling when you want more control. Munter Hitch compatible on ropes up to 9.4 mm, this carabiner has a keylock nose which helps to prevent snagging. With increased friction up to 30% when lowering or rappelling with an ATC and a screwgate sleeve, the Vaporlock is one of the most versatile carabiners on the market. So if you are looking for a reliable lockdown without extra weight, look no further than the Black Diamond VaporLock Screwgate Carabiner.