Air Disc Sander Kit, Product Type Air-Powered Disc Sander Kit, 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 Hook and Loop, Vacuum Type Non-Vacuum, Horsepower 0.2 hp, Duty Light, Grip Type Pistol, Air Consumption 21 cfm, Required Pressure 90 psi, Air Inlet Size 1/4 in, Air Inlet Type NPT, Minimum Hose Size 3/8 in, Spindle Thread Size 1/4 in - 20