Simple to use: - Feeding slack and catching falls are accomplished using standard belay techniques, always keeping a hand on the brake side of the rope - Rope glides smoothly through the device - V-shaped friction grooves enable controlled braking - Rope installation diagrams for belaying and Reverso mode are engraved on the device Multipurpose use for single and multi-pitch climbing, and mountaineering: - Can be used to belay a climber or to rappel on one or two rope strands - Reverso mode allows the user to belay one or two seconds with assisted braking - Release hole allows the belayer to give slack to a second climber using just one carabiner Lightweight and durable: - Compact and ultra-lightweight: only 57 g - Rounded design of the rope slots limits wear and extends the life of the device - Compatible with most dynamic rope diameters (single 8.5 to 10.5 mm, half 7.1 to 9.2 mm, and twin 6.9 to 9.2 mm) Specifications Weight: 57 g Rope compatibility: Single ropes 8.5 to 10.5 mm, half ropes 7.1 to 9.2 mm, and twin ropes 6.9 to 9.2 mm Material(s): Aluminum frame Certification(s): EN 15151-2, UIAA References References D017AA00 D017AA01 D017AA02 Color(s) Gray Green Red/Orange