Cordless Impact Wrenches, Impact Wrench, Drive Size 3/8 in Square, Drive Configuration Straight, Max. Torque 167 ft-lb, Bare Tool, Voltage 18 V, Series M18, Cordless Tool Battery Type Li-Ion, Brushless Motor No, Anvil Impact Action Mechanical, Max. Blows per Minute 3350, Max. No Load RPM 2450, Cordless, Handle Type Pistol Grip, Battery Capacity 1.5Ah or 3.0Ah, Tool Length 5-3/4 In., Tool Weight 4.1 lb, Clutch Style Impact, Battery Included No, Battery Pack Replacement 2XKZ3 or 2PYZ8