Chicago Pneumatic - Air Impact Wrench: 3/8″ Drive, 9,000 RPM, 470 ft/lb - 55748057 - MSC Industrial Supply
MILWAUKEE PNEUMATIC IMPACT WRENCH MP-141-SD 1/2 INCH DRIVE | eBay
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