Now available from the designer and manufacturer of Petzl's popular Microcender is this unique twist to an all-time favorite for lanyard use. The RockGrab lanyard adjuster is an ideal, one-hand adjuster for rope-style safety lanyards (including wire core). Freshly redesigned, the sleek RockGrab sports a new attachment-hole orientation that points the ascender directly forward for improved performance as a lanyard adjuster. The carabiner hole is also larger and rounded on the inside for improved carabiner alignment and interaction. Now 25% lighter with a larger hole to better accommodate carabiners. Features sleeker geometry and improved axle design also fits ropes 9 to 13mm diameter. Weight: 5 oz. NOT FOR VERTICAL ASCENT!