20V 370 Ft-lbs Brushless Impact Wrench Kit, 1/2 Inch Cordless Electric Impact Gun, High Torque 3,400 IPM Impact Driver with 6 Pcs Drive Impact Sockets, 2.0Ah Battery, Fast Charger, and Tools Bag - Walmart.com
Milwaukee M18 FUEL ONE-KEY 18V Lithium-Ion Brushless Cordless 3/4 in. Impact Wrench with Friction Ring (Tool-Only) 2864-20 - The Home Depot
Neiko 10878A 1/2-Inch-Drive High-Torque Cordless Electric Impact-Wrench Kit with 20-Volt Lithium-Ion Charging Battery and 4 1/2-Inch-Drive Sockets - Amazon.com
Milwaukee 2867-22 High torque cordless impact wrench 1 Inch M18 18 volt FUEL with ONE-KEY tracking and management technology. 1,800 ft-lbs of torque, with 4 mode drive control. Includes two M18 XC8.0 batteries.