DEWALT DCF900H2T-QW 18V XR Brushless 1/2" hog ring high torque impact wrench with 2 Powerstack batteries | Mister Worker®
Cordless Impact Wrench for Dewalt 20V Battery, 1/2" Impact Gun High Torque 250 ft-lbs (330N.m), Brushless Power Impact Driver Tool with Belt Clip (Battery Not Included) - Amazon.com