AIRCAT 1150 Killer Torque 1/2-Inch Impact Wrench, Black sheer power and performance of 1,295 Feet-pounds (ft-lb) of loosening torque and Max. Torque 900 ft-lbs 1,400 Blows Per Minute makes this the strongest hard hitting Twin Hammer 1/2 Impact Wrench on the market 15-Percent larger rotor creates unmatched power Patented quiet technology at 86 decibels 2 year parts and labor warranty