Often copied but never equaled, the Black Diamond ATC provides lightweight and durable belaying and rappelling performance anytime, anywhere. This classic design features a large surface area that dissipates heat when lowering or rappelling, and the smooth-handling geometry accommodates rope sizes from 7.7 mm to 11 mm.
Minimalist, easy-to-use design is well suited for a wide variety of climbing situations
Large surface area dissipates heat while lowering or rappelling
Durable cable holds its shape and resists getting caught between ropes