The Black Diamond ATC-XP is an essential belay/rappel package, featuring the redesigned ATC-XP. Package includes belay device and locking carabiner. The ATC-XP is a classic double-belay device developed through innovations different from the one you see before you now. All the knowledge and technological know-how have to lead to an easy-to-use belay/rappel device with the added friction teeth to help rope control. Designed for use with ropes from 7.7mm – 11mm this versatile little device allows you to make the most out of your sessions from indoor leading to multi-pitch and more. Sold here with a compatible screw lock carabiner.