Black Diamond Atc-Guide Belay/Rappel Device Black. Specifications for Black Diamond Atc-Guide Belay/Rappel Device: Manufacturer: Black Diamond Color: Black Fabric/Material: Aluminum Weight: 3.1 oz Rope Capacity: 7.7 - 11 mm Belay Type: Manual Catch Climbing Hardware Type: Belay & Rappel Features: Multiple friction modes for belay and rappel Updated construction makes the device 10percent lighter with improved rope handling. Now 80g Auto-block release hole accepts small carabiners Durable cable holds its shape and resists getting caught up Package Contents: Black Diamond ATC Guide Black Diamond BD6200460002ALL1: Atc-Guide Belay/Rappel Device Black