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
Milwaukee M18 FUEL 1/2 Compact Impact Wrench with Friction Ring (Bare Tool) 2855-20 - Acme Tools
Milwaukee 2767-20 M18 Fuel High Torque 1/2-Inch Impact Wrench with Friction Ring - Amazon.com