Model:89003KName: 1/2"Air Impact Wrench KitInfo: Square drive: 1/2" Bolt capacity:5/8"(16mm) Free speed: 7,000rpm Max torque: 425ft-lb/576n-m Hammer machanism: Twin hammer Air inlet(npt): 1/4" Air hose(I.D):3/8" Avg.air consumption: 5.0cfm/0.14M³/min Sug.air consumption:2HPContents: 1pc-1/2"air impact wrench 89003 10pc-1/2"air impact sockets:9,10,11,13,14,17,19,22,24 and27mm 1pcs-1/2"dr.5"extension bar;1pct-oil pot;1pc-hex key wrench; 1pc-nipple;1pc-nipple;1pc-mini oiler;1pc-blow mold case G./W.N.W.:23/21kgs Q'ty/Carton:5pcs Carton Measurement:52.5x27.5x28.5cm