DEKOPRO Cordless Impact Wrench 1/2inch,20V Power Impact Wrench, Powerful Brushless Motor, 3-Variable Speed, Max Torque 258 ft-lbs (350N.m), 2x2.0A Li-ion Battery, 1 Hour Fast Charger and Tool Bag - Amazon.com
Prostormer Cordless Impact Wrench 1/2 Inch, 370Ft-Lbs High Torque Brushless Impact Wrench Set with 4.0Ah Battery, Fast Charger and 4Pcs Sockets, 20V Battery Powered Impact Gun for Car Lug Nuts - -
HART 20-Volt Cordless Brushless 1/2 inch Impact Wrench (Battery Not Included) - Walmart.com