1/2 in. Aluminum Air Impact Wrench, Twin Hammer, 585 ft. lbs.
BENTISM 1/2-Inch Air Impact Wrench, High Torque Up to 1400 ft-lbs, Lightweight 4.6 lb Design Pneumatic Impact Gun with 11-PCS Drive CR-V Steel Impact Socket Set & Carrying Case - Walmart.com
EWORK Cordless Impact Wrench 1/2 inch 21V Brushless High Torque Impact Gun Max 700 Ft-lbs Power with 4.0Ah Li-ion Battery, Fast Charger, 5 Sockets, Tool Bag (RB-810) - Amazon.com