Cordless Impact Wrench Kits, Impact Wrench, Drive Size 3/8 in Square, Drive Configuration Straight, Max. Torque 130 ft-lb, Battery Included, Voltage 18V DC, 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, Battery Capacity (2) 2.0Ah, Tool Length 5-5/8 In., Tool Weight 2.7 lb, Clutch Style Anvil, Battery Included 33RT41, Battery Pack Replacement 33RT41