Air Disc Sander Product Type Air-Powered Disc Sander Included Pad Sizes 3 in Minimum Wheel Diameter 3 in Maximum Wheel Diameter 3 in Maximum Disc Speed 15 000 RPM Speed Settings Fixed Abrasive Mount Type Locking Vacuum Type Non-Vacuum Horsepower 0.4 hp Duty Heavy Grip Type Right Angle Air Consumption 21 cfm Required Pressure 90 psi Air Inlet Size 1/4 in Air Inlet Type NPT Minimum Hose Size 1/4 in Spindle Thread Size 1/4 in - 20 Dust Collection Type Included Not Applicable