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.

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