✦ CR-MO steel with black bronzed surface

✦ For loosening damaged screws and nuts

✦ Suitable for impact wrenches

✦ The innovative spiral profile digs itself into the head of a damaged screw/nut and thereby 
　allows to loosen it securely

✦ Sizes: 17-19-21 mm x 50mmL

✦ 1-straight rod: 12 mm(dia.) x 80 mm