Chicago Pneumatic - Air Impact Wrench: 1″ Drive, 7,000 RPM, 1,080 ft/lb - 30781504 - MSC Industrial Supply
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