Air Orbital Sander Vacuum Type Non-Vacuum Product Type Air-Powered Orbital Sander Disc Motion Random Orbital Abrasive Mount Type Hook and Loop Motor Type Gearless Duty Light Orbit Diameter 1/8 in Horsepower 0.5 hp Grip Type Pistol Speed Settings Variable Air Consumption 20 cfm Required Pressure 90 psi Air Inlet Size 1/4 in Air Inlet Type NPT Minimum Hose Size 3/8 in Arbor Hole Size 3/8 in Number of Vacuum Holes Not Applicable Dust Collection Type Included Not Applicable