The lightweight REVERSO is a multi-functional belay/rappel device designed for cragging, multi-pitch climbing and mountaineering. Reverso mode provides assisted-braking while belaying one or two seconding climbers from the top of a pitch. It accommodates most rope diameters: single rope 8.5 to 10.5 mm, half ropes 7.1 to 9.2 mm and twin ropes 6.9 to 9.2 mm. The specific design of the rope slots allows the rope to glide smoothly and reduces wear.