EN 567, EN 12841. A light and compact chest ascender with a patented pulley system for efficient climbing. Wear on both rope and ascender is reduced. The pull loop on the clamping cam is easy to operate even with gloves. Both the cam and the body have outlets for getting rid of dirt and mud. Cam made of stainless steel. Aluminium alloy body. For ropes from 8 - 13 mm. Weight 110 g.