Petzl Reverso Belay Device Red/Orange. It allows you to belay your climbing partner rappel and use Reverso mode to belay one or two seconds. The specific design allows the rope to glide smoothly through the device and reduces wear. It is compatible with most rope diameters: single 8.5 to 11 mm half 7.1 to 9.2 mm and twin 6.9 to 9.2 mm. Specifications for Petzl Reverso Belay Device: Manufacturer: Petzl Size: One Size Fabric/Material: Aluminum Frame Weight: 57 g Features of Petzl Reverso Belay Device 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 11 mm half 7.1 to 9.2 mm and twin 6.9 to 9.2 mm) Package Contents: Petzl Reverso Belay Device Petzl D017AA02: Reverso Belay Device Red/Orange