Cordless Impact Wrenches, Impact Wrench, Drive Size 1/2 in Square, Drive Configuration Square, Max. Torque 155 ft-lb, Bare Tool, Voltage 18 V, Series LXT, Cordless Tool Battery Type Li-Ion, Brushless Motor Yes, Anvil Impact Action Mechanical, Max. Blows per Minute 3600, Max. No Load RPM 2400, Cordless, Handle Type Pistol Grip, Tool Length 5-15/16 In., Tool Weight 2.7 lb, Clutch Style Impact, Battery Included No, Battery Pack Replacement 38XU33, 33RT43, 4NNN2, 33RT41, 52RW97 WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov - Nickel (Metallic)