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 3/16 in Horsepower 0.3 hp Grip Type Palm Speed Settings Variable Air Consumption 16 cfm Required Pressure 90 psi Air Inlet Size 1/4 in Air Inlet Type NPT Minimum Hose Size 3/8 in Arbor Hole Size 3/16 in Number of Vacuum Holes 6 Exhaust Location Rear Throttle Type Lever Tool Series CP35