Cordless Impact Wrenches, Impact Wrench, Drive Size 1/2 in Square, Drive Configuration Straight, Max. Torque 220 ft-lb, Bare Tool, Voltage 18 V, Series M18 FUEL, Cordless Tool Battery Type Li-Ion, Brushless Motor Yes, Anvil Impact Action Mechanical, Max. Blows per Minute 3200, Max. No Load RPM 2500, Cordless, Handle Type Pistol Grip, Tool Length 6-1/8 In., Tool Weight 2.5 lb, Clutch Style Impact, Battery Included No, Battery Pack Replacement 35GJ99