Air Disc Sander Product Type Air-Powered Disc Sander Included Pad Sizes Not Applicable Minimum Wheel Diameter Not Applicable Maximum Wheel Diameter Not Applicable Maximum Disc Speed 20 000 RPM Speed Settings Variable Abrasive Mount Type Threaded Shank Vacuum Type Non-Vacuum Horsepower 0.4 hp Duty Heavy Grip Type Right Angle with Side Handle Air Consumption 25 cfm Required Pressure 90 psi Air Inlet Size 1/4 in Air Inlet Type NPT Minimum Hose Size 3/8 in