Air Gearmotor, Output Power @ Maximum Speed 0.34 hp, Maximum Torque 71 in-lb, No Load Speed 450 RPM, Maximum Flow Rate 18 cfm, Shaft Diameter 3/8 in, Shaft Length 1 in, Mount Type Flange, Inlet Size 1/4 in, Air Inlet Type NPT, Rotation CCW, Housing Material Steel, Gear Ratio 33:1, Air Consumption 18 scfm, Air Inlet Center to Center Distance 7/8 in, Weight 2.38 lb, Series M004 Series Air Motors, Keyway Depth 3/16 in, Keyway Type Square, Maximum Ambient Temperature 150 Degrees F WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov - Nickel (Metallic)