Milwaukee® Planet Gear is designed for impact wrenches, cordless 1/2" and 3/4" impact wrenches, cordless 7/16" quick-change impact wrenches, cordless 7/16" and 5/8" hex impact wrenches, 1/2" impact wrenches, 1/2" VSR impact wrenches and 1/2" impact wrench with rocker switch and friction ring socket retention.