HEX.Shank Size1/4''(6.35mm) Free Speed RPM800 Torque45-145 in-lbs (5.0-16.4 n-m) Overall Length8 1/4'' (210mm) Air Inlet (PT)1/4'' Air Hose (ID) 3/8'' Avg-Air Consumption4 CFM (113 l/min) Net Weight2.6 lbs.(1.2kgs) Packing Pcs/Ctn/G.W.(kgs)/Cuft10/Ctn/17.0/1.2'