Milwaukee 1/2 in. Square Drive Impact Wrench with Rocker Switch and Friction Ring Socket Retention 9071-20 - The Home Depot
Milwaukee 2767-20 M18 FUEL High Torque 1/2" Impact Wrench with Friction Ring - Amazon.com
DIYtoolifz Cordless Impact Wrench 1/2 inch for Milwaukee 18V Battery,600 Ft-lbs (810N. m) Brushless High Torque Power Tool with LED Work Light and Belt Clip (Battery Not Included) - Amazon.com