Random Orbital Air Sander, Pad Diameter: 5 in., Free Speed: 10, 000 RPM, Operating Air Pressure: 90 PSI, Average Air Consumption: 6 CFM, Air Inlet: 1/4 in. NPT, Hose Size: 3/8 in. ID, Weight: 2.40 lbs|JEGS Random Orbital Air Sander [5 in. Pad Diameter].