Air Disc Sander Product Type Air-Powered Disc Sander Included Pad Sizes 3 in 5 in Minimum Wheel Diameter 3 in Maximum Wheel Diameter 5 in Maximum Disc Speed 12 000 RPM Speed Settings Fixed Abrasive Mount Type Threaded Shank Vacuum Type Non-Vacuum Horsepower 0.5 hp Duty Heavy Grip Type Pistol Air Consumption 22 cfm Required Pressure 90 psi Air Inlet Size 1/4 in Air Inlet Type NPT Minimum Hose Size 3/8 in Spindle Thread Size 3/8 in - 24