This professional class pneumatic impact wrench delivers more power, lightweight composite body reduce strain, and a more compact housing. Twin-hammer delivers more torque to the anvil, less vibration. Descriptions: Drive size: 3/4" 1475 ft. lbs of Bolt breakaway torque Lightweight Composite body Forward and Reverse Free Speed: 5,500 RPM Clutch type: Twin Hammer Working pressure: 90 PSI(6.3Bar) Average air consumption: 8.0 CFM (227 L / Min.) Air inlet: 3/8" NPT Noise Level: 93 dBA Exhaust: handle Wrench Net Weight: 8.23 lbs (3.74 kgs) Wrench Length: 8.9"(225mm) Shipping weight: 14 LBS Plastic Box Size: 14 x 14 x 5 inch Include: 1PC----XX775 3/4 air impact wrench 2PC---3/4 Dr. CrMo Sockets(H30; H33) 1PC---3/8 Nipple 1PC---Oil Pot 1PC---Hard Plastic Box