Belay device with assisted braking, compatible with a broad range of single rope diameters, for both gym and crag: - feeding slack and catching falls are done using standard belay techniques; always keep a hand on the brake side of the rope - belaying convenience, thanks to assisted braking: when a climber falls, the device pivots on the carabiner, the rope tightens and the cam pinches and brakes the rope. Holding the brake side of the rope helps engage the cam; therefore, it is important to always hold the brake side of the rope - compatible with dynamic single ropes 8.5 to 11 mm, optimized for 8.9 to 10.5 mm - rope installation diagram engraved on both the interior and exterior of the device Exceptional convenience when lowering: - the ergonomic handle allows you to easily unblock the rope and lower someone - easily controlled, progressive rope feed provides a smooth and comfortable descent Intended for all users: - simple to use for belaying both lead or top-rope climbers - optimally balanced design: lightweight (175 g), compact and durable Weight: 175 g Rope compatibility: 8.5 to 11 mm single rope Material(s): aluminum side plates, stainless steel cam and friction plate, reinforced nylon handle Certification(s): CE EN 15151-1, UIAA