Air Finishing Sander Product Type Finishing Tool Abrasive Orientation Perpendicular Minimum Drum or Wheel Diameter 5 in Maximum Drum or Wheel Diameter 5 in Horsepower 1 hp Duty Heavy Grip Type Dual Grip with Over Handle Speed Settings Fixed Minimum Drum or Wheel Speed 2 800 RPM Air Consumption 41 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 Arbor Hole Size 3/4 in Tool Series Dynisher