EMX1144 Features: * Air impact wrench * Rugged aluminum alloy body offers compact, lightweight design for continuous use * Tease trigger for provides variable speed control * Adjustable power regulation allows for full power or variable power in either direction * 5 Step regulator for precision torque adjustments * Super duty motor delivers maximum torque and rugged durability * Heat treated spherulitic iron cylinder extended life * Heavy duty twin hammer impact mechanism * CRMO steel rotor and anvil case hardened for maximum durability and extended life * Pressure feed lubrication ensures ease of use and reliable performance * Downward air exhaust handle port * Speed - no load: 8000 RPM * Average air consumption: 4.25 CFM * CFM at load: 7.1 * Blows per minute: 1320 BPM * Max torque: 560 ft-lbs * Working torque: 25 400 ft-lbs (34 540 Nm) * Air pressure: 90 PSI * Air inlet size: 0.25"" NPT * Minimum air hose size: 0.38"" * Standard bolt capacity: 0.56"" Construction: * Solid steel front-end body construction delivers maximum wear and protection * Two piece construction for easy serviceability with contoured sure-grip handle Specifications: * Decibel rating: 100 DBA Dimensions: * Dimension: 7.28"" W Warranty: * Limited lifetime warranty