Standard Pack = 1 piece(s). Air Inlet Size=1/4 NPTF; Average Air Consumption=7.3 CFM; Brand Name=Universal Tool; Drive=42371; Features=Twin hammer, 800 feet/lb Maximum torque, built in power management and reverse/forward switch, triple heat treaded alloy steel hammer, anvil and cage; Model Number=UT8160R; Style=Angle; Type=Air Powered Impact Wrench;