Gast Standard 1Up-Ncc-1A Air Motor, Output Power @ Maximum Speed 0.45 hp, Maximum Torque 4.9 in-lb, No Load Speed 6,000 RPM, Maximum Flow Rate 27 cfm, Shaft Diameter 3/8 in, Shaft Length 1 1/8 in, Mount Type Hub, Inlet Size 1/8 in, Air Inlet Type NPT, Rotation CCW, Housing Material Cast Iron, Shaft Material Grade 197-223 BHN, Bearing Protection Not Applicable, Maximum Operating Pressure 80 psi, Includes Muffler, Keyway Width Not Applicable, Weight 3 lb, Housing Material Grade G2500