Black Diamond ATC XP-Blue. Specifications for Black Diamond ATC XP: Manufacturer: Black Diamond Color: Blue Fabric/Material: Aluminum Weight: 2.3 oz Rope Capacity: 7.7 - 11 mm Belay Type: Manual Catch Climbing Hardware Type: Belay & Rappel Application: Sport Climbing Rappelling Features of Black Diamond ATC XP 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 Package Contents: Black Diamond ATC XP Black Diamond ATC XP-Blue