Air Orbital Sander Vacuum Type Non-Vacuum Product Type Air-Powered Orbital Sander Disc Motion Random Orbital Abrasive Mount Type Adhesive-Backed Motor Type Gearless Duty Light Orbit Diameter 3/32 in Horsepower 0.2 hp Grip Type Palm Speed Settings Variable Air Consumption 8 cfm Required Pressure 90 psi Air Inlet Size 1/4 in Air Inlet Type NPT Minimum Hose Size 5/16 in Arbor Hole Size 5/16 in Number of Vacuum Holes 6 Dust Collection Type Included Vacuum Hose Mount