✦ 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: 17-19-21mm x 145mmL

✦ 1-straight rod: 12mm(dia.) x 155mm