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 9070-20 1/2 Inch Impact Wrench with Rocker Switch and Detent Pin Socket Retention
Milwaukee 2767-20 M18 FUEL High Torque 1/2 in. Impact Wrench with Friction Ring (Tool Only) - Walmart.com
Milwaukee 2867-20 M18 FUEL 18V 1 Inch High Torque Impact Wrench - Bare – MaxTool