Air Disc Sander, Product Type Air-Powered Disc Sander, Included Pad Sizes 5 in, Minimum Wheel Diameter 5 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 1.3 hp, Duty Heavy, Grip Type Right Angle, Air Consumption 43 cfm, Required Pressure 90 psi, Air Inlet Size 3/8 in, Air Inlet Type NPT, Minimum Hose Size 3/8 in, Spindle Thread Size 5/8 in – 11