Cordless Impact Wrenches, Impact Wrench, Drive Size 1/2 in Square, Drive Configuration Straight, Max. Torque 250 ft-lb, Bare Tool, Voltage 12 V, Series M12 Fuel, Cordless Tool Battery Type Li-Ion, Brushless Motor Yes, Anvil Impact Action Mechanical, Max. Blows per Minute 3200, Max. No Load RPM 2700, Cordless, Handle Type Pistol Grip, Tool Length 4-29/32 In., Tool Weight 2 lb, Clutch Style Impact, Battery Included No, Battery Pack Replacement 38D764, 38D763