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 7.7mm to 11mm.
Unique, smooth-handling geometry
Minimalist design is durable in all conditions
Large surface area dissipates heat when lowering or rappelling