Hitachi 323000 1/2-Inch 3-Jaws Metal 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 Comes with a hexagon for assembling and disassembling on the machine spindle Comes with a 30-day limited warranty A capacity of 1/16-Inch to 1/2-Inch and a 1/2-Inch 20-thread mount Ideal for contractors, serious do-it-yourselfers, machine shops, and mechanics Metal 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