Air Impact Wrench This is an ideal tool for effortless tightening and loosening of bolts and nuts. This reversible unit also has a built-in regulator that controls the speed and torque. Features include... 3/8" Drive 8500 RPM 75 ft/lbs Torque 3 CFM Air Consumption 3 lbs weight 1/4" NPT air inlet 90-120 PSI