Cordless Impact Wrenches, Impact Wrench, Drive Size 3/8 in Square, Drive Configuration Right Angle, Max. Torque 220 ft-lb, Bare Tool, Voltage 12 V, Series M12 FUEL(TM), Cordless Tool Battery Type Li-Ion, Brushless Motor Yes, Anvil Impact Action Mechanical, Cordless, Handle Type Right Angle, Clutch Style Impact, Battery Included No, Battery Pack Replacement 38D763, Features Auto Shut-Off