Chicago Pneumatic CP7749-2 1/2-Inch Super Duty Composite Air Impact Wrench with 2-Inch Extended Anvil 725 ft.-lbs. of Ultimate Torque in Reverse S2S (Side to Side) Technology - The Industry's Best One Handed Forward & Reverse Ergonomic composite handle for strong durability and less weight Three Position Regulator in Forward Full teasing trigger allows full control when tightening or loosening fasteners