Milwaukee Tool M18 Fuel 18-Volt Lithium-Ion Brushless Cordless 1/2" Impact Wrench with Friction Ring - Tool-Only, 1 each, sold by each - Walmart.com
20V Brushless Cordless 1/2 in. Ultra-Torque Impact Wrench - Tool Only
OUHOUG Cordless Impact Wrench 1/2 Inch Impack Gun 21V Power Impact Driver Impack Drill Max Torque 442Ft-lbs (600N.m) 3200RPM Li-ion 4.0AH Battery Pack Electric Impact Wrench for Car Home - Amazon.com
Milwaukee M18 FUEL 18V Lithium-Ion Brushless Cordless 1/2 in. High-Torque Impact Wrench with Friction Ring Kit,Resistant Batteries 2767-22R - The Home Depot
Li-ion 18V 1/2 Inch Super-Torque Impact Wrench w Digital Clutch | ACDelco | ARI2
Milwaukee 2962-20 M18 FUEL 1/2 in. Mid-Torque Impact Wrench w/ Friction Ring Bare