Air Disc Sander Product Type Air-Powered Disc Sander Included Pad Sizes 7 in Minimum Wheel Diameter Not Applicable Maximum Wheel Diameter 7 in Maximum Disc Speed 3 000 RPM Speed Settings Variable Abrasive Mount Type Arbor Vacuum Type Non-Vacuum Horsepower 0.8 hp Duty Heavy Grip Type Right Angle with Side Handle Air Consumption 22 cfm Required Pressure 90 psi Air Inlet Size 1/4 in Air Inlet Type NPT Minimum Hose Size 3/8 mm Spindle Thread Size 5/8 in - 11