Kong Futura Hand Ascender Right Black/Orange 4.4oz. Its small size allows the users to sit comfortably inside the device close to the rope in the same way was you would grabbing the actual rope. The best support to ascend a rope with the ''Rope Walking System'' (as if climbing a ladder). After testing the system cavers confirm an excellent performance and a 30percent efficiency's increase during the ascent. Fitted with anti-overturning system of the cam. Specifications for Kong Futura Hand Ascender: Manufacturer: Kong Color: Black/Orange Weight: 4.4 oz Features of Kong Futura Hand Ascender Rope compatibility: 8mm-12.7mm Package Contents: Kong Futura Hand Ascender Kong 87600NO4DKK: Futura Hand Ascender Right Black/Orange 4.4oz