Wildken Climbing Stop Ascender Rappelling Descender Belay Devices for 10-12mm Rope Climbing Belaying and Rappelling Gear for Rock Climbing Mountaineering Tree Arborist Peak Rescue

Specification: Material : Aluminum magnesium alloy Color : Black Weight : 340g / 0.75lb Item Size : 2.16in (W) * 9.64in (L) Max Load:150 kg / 330 lb Suitable for : 10-12mm rope Package : Stop Descender * 1 Feature: 1. Self Braking Stop Descender :  The self-braking function allows you to easily stop and maintain the position on the rope. 2. There are grooves inside the friction wheel. The rope friction will produce a relatively high temperature when descending. The grooves can radiate heat and reduce the loss of the rope. 3. Great for mountaineering, climbing, fire rescue, working on the higher level, construction, demolition, roofing, camping, firefighting on tree, pulley system and other outdoor activity