? The NitroCat 1250-K is a fearless, hard hitting 1/2" impact wrench that out performs anything in its class! ? 1,300 ft-lb Loosening torque ? Hard hitting smooth twin clutch mechanism ? Patented ergonomically designed handle ? Patented quiet tuned exhaust (86 dBA) ? Patented easy operation flip lever forward & reverse ? The twin clutch is better suited for heavy duty (frame work, medium to heavy duty trucks)