Milwaukee 2767-20 M18 Fuel High Torque 1/2-Inch Impact Wrench with Friction Ring - Amazon.com
Milwaukee M18 FUEL 18-Volt Li-Ion Brushless Cordless 1/4 in. Hex Impact Driver & 3/8 in. Compact Impact Wrench with Friction Ring 2953-20-2854-20 - The Home Depot