1000 Ft-lbs. of max torque and 1250 ft-lbs.loosening torque Hard hitting Twin Hammer design Low weight: Only 3.8 lbs. Patented Forward / Reverse switch and power management Compact design is over an inch shorter than standard1/2? Impact wrenches at only 7? in length Patented quiet tuned exhaust reduces noise level to 87 d(B)A Patented ergonomic designed handle for ultimate comfort, balance, and control Free Speed (RPM) 8,500 Impacts Per Minute (IPM) 1,600