Amazon.com: Wagan EL2257 12V DC Mighty Impact Wrench, 1/2 inch 12 Volt Electric Impact Wrench Kit, 271 ft-lbs, Tire Repair Tools with Sockets and Carry Case : Everything Else
DEWALT XR 2-Tool 20-Volt Max Brushless Power Tool Combo Kit (1-Battery and charger Included) in the Power Tool Combo Kits department at Lowes.com
20V Brushless Cordless 1/2 in. High-Torque Impact Wrench - Tool Only
JTC-3401] 1/2" HEAVY DUTY AIR MINI IMPACT WRENCH – JTC Auto Tools
EWORK Cordless Impact Wrench 1/2 inch 21V Brushless High Torque Impact Gun Max 700 Ft-lbs Power Impact Wrenchs with 4.0Ah Li-ion Battery, Fast Charger, 5 Sockets, Tool Bag (RB-810) - - Amazon.com