Now 30% lighter than the original thanks to an updated construction and machined windows through the body, the Black Diamond ATC-XP Belay Device is a durable, versatile belay device that features multiple friction modes to handle nearly any situation or rope diameter. Black Diamond ATC-XP Belay Device Features: 30% lighter than the original weight 64g High-friction mode offers 3 times greater hold and stopping power than regular-friction mode Machined windows through device for weight savings Durable cable holds its shape and resists getting caught up between ropes Hot-forged construction Versatile design accepts ropes from 7.7 to 11 mm