Compact and ultra-lightweight tube, versatile thanks to the Reverso mode. This ultra-light, multifunctional Reverso belay and rappel device is designed for sport climbing, multi-pitch climbing, and mountaineering. The Reverso mode allows for belaying one or two second climbers. It is suitable for most rope diameters: single ropes from 8.5 to 10.5 mm, half ropes from 7.1 to 9.2 mm, and twin ropes from 6.9 to 9.2 mm. The special design of the rope guide facilitates the rope's passage through the device while simultaneously protecting it from wear.