"What Our Gearhead® Experts Are Saying:""The VaporLock is my favorite for adding control to belays or rappels. It’s ultra-light, and the extra friction it provides makes lowering smoother and safer. Plus, the twistlock design is a nice balance of security and speed.""We trust the Black Diamond VaporLock Twistlock Carabiner when weight savings and precision are paramount. As the lightest full-function pear locker in Black Diamond's lineup, it delivers up to 30% more friction for smooth and controlled belaying and rappelling. This increase is a game-changer for reducing effort when lowering with an ATC or executing technical descents. The VaporLock is Munter Hitch compatible for ropes up to 9. 4mm, offering versatility for dynamic belaying scenarios. Its keylock nose eliminates snagging, while the reliable twistlock sleeve provides secure, intuitive operation. Perfect for alpine missions or crag sessions, this carabiner is built to handle the demands of climbing while keeping your pack light."