Tackle the toughest jobs with the power of the DEWALT 20V MAX XR 1/2 in. High Torque Impact Wrench Delivers 313.9 m. lbs. maximum fastening torque and 426 m lbs. maximum breakaway torque, making it ideal for large pipe flanges, grooved couplings, wheel lugs, concrete anchor bolt setting and many other heavy-duty impact wrench applications. Precision wrench mode is included to prevent over-torque in the front and eliminate run-off in the rear for added user control. Use the updated 4-mode push-button switch to easily transfer speeds when needed.