Hitachi 315966 1/2-Inch 3-Jaws Plastic Keyless Hammer Drill Chuck Capacity of 1.5-milimeter to 13-milimeter Thread is 1/2-inch to 20THD Features radial locking for corded and cordless drills and hammer drilling With hexagon for assembling and disassembling on the machine spindle Comes with a 30-day limited warranty A capacity of 1/2-Inch and 1/2-Inch 20- thread mount Ideal for contractors, serious do-it-yourselfers, machine shops, and mechanics Plastic design has radial locking for corded and cordless drills Ensures high precision and durability for heavy-duty tasks Comes with a 30-day limited warranty