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. 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 Versatile design accepts ropes from 7.7 to 11 mm