The Petzl Verso Lightweight Belay Device is a Climbing device for the belay and rappel. Light and durable, it will also accommodate a wide range of ropes. Features of the Petzl Verso Lightweight Belay Device Adapted to a broad range of rope diameters V-shaped friction grooves enable controlled braking Compatible with dynamic single ropes 8.5 to 11 mm Compatible with dynamic half ropes 7.1 to 9.2 mm Compatible with dynamic Twin ropes 6.9 to 9.2 mm Classic belay Technique with both hands on the rope Rope glides smoothly through the device Can be used for rappels Rope installation diagrams for belaying and rappelling engraved on the device Durable and lightweight Rounded design of the rope slots limits wear and extends the life of the device Compact and lightweight only 55g