Seesii Brushless Power Impact Wrench, Cordless, 1/2 inch Max High Torque 479 Ft-lbs(650Nm), 3300RPM w/ 2x 4.0 Battery, 6 Sockets,9 Drill,6 Screws for Car Home, WH700 - Amazon.com
RYOBI ONE+ 18V Cordless 3-Speed 1/2 in. Impact Wrench (Tool-Only) P261 - The Home Depot
DEWALT Xr 20-volt Max Variable Speed Brushless 1/2-in Drive Cordless Impact Wrench (Battery Included) in the Impact Wrenches department at Lowes.com
Brushless Impact Wrench 1/2 inch Max Torque 479 Ft-lbs(650Nm), 3300RPM Cordless | eBay