●The 80 gram lightweight Smart 2.0 is easy to use and comes without moving parts or levers. ●The Smart 2.0 works according to the Tuber principle, so it is also suitable for forward climb and top rope climbing. ●In the event of a fall, the Smart 2.0 blocks the climbing rope, the newly developed high-performance brake insert interacts with the safety carabiner. This provides the securing device with optimal support and more safety. ●For the Smart 2.0, Mammut recommends the use of the Smart HMS. Suitable rope diameters are 8.7 to 10.5 mm.