Makita 6339DWDE 14.4-Volt Ni-Cad 1/2-Inch Cordless Drill/Driver Kit Powerful 450 in.lbs. of torque. Two-piece D-31 motor with dual ball bearings for longer motor life. 16 torque settings plus drill mode. 3-speed gear selection (0-300, 0-600, 0-1,700rpm) New ergonomic design for comfort and less operator fatigue.