Air Motor, Output Power @ Maximum Speed 1.7 hp, Maximum Torque 36 in-lb, No Load Speed 3,000 RPM, Maximum Flow Rate 78 cfm, Shaft Diameter 1/2 in, Shaft Length 1 1/8 in, Mount Type Foot, Inlet Size 1/4 in, Air Inlet Type NPT, Rotation CW/CCW, Housing Material Aluminum, Cast Iron, Shaft Material Grade 40Cr, Bearing Protection Not Applicable, Maximum Operating Pressure 100 psi, Includes Muffler, Keyway Width Not Applicable, Weight 7.72 lb, Housing Material Grade Not Applicable WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov -