Impact Wrench, Drive Size 1/2 in Square, Max. Torque 150 ft-lb, Voltage 20V DC, Series 20V MAX, Brushless Motor No, Handle Type Pistol Grip, Tool Length 5-3/4 In., Tool Weight 3.4 lb, Clutch Style Detent Pin Anvil, Battery Included No, Battery Pack Replacement 11A165, Features (3) LED with 20-Second Delay, Lightweight Design, Textured Anti-Slip Comfort Grip, Includes Impact Wrench