1/2" Air Composite Impact Wrench (Twin Hammer) Tighten Torque 1032ft-lbs / 1400N.M Max Loosening torque in Reverse 1991ft-lbs / 2700 N.M Free Speed: 8500 RPM Air Comsumption: 6,0 CFM Weight: 2kg Working Air Pressure: 90PSI / 6,3 Bar