Descend with assisted braking for your cave explorations! STOP is a caving descender with assisted braking that can be used with 8.5 to 11 mm diameter low stretch kernmantle ropes It provides better control over the descent and makes maneuvers on the rope easier. The ergonomic handle makes the grip and overall use especially comfortable. Stainless steel friction zones make it a durable tool for all your excursions!