Air Orbital Sander Vacuum Type Self-Vacuum Product Type Air-Powered Orbital Sander Disc Motion Random Orbital Abrasive Mount Type Adhesive-Backed Motor Type Gearless Duty Medium Orbit Diameter 3/16 in Horsepower 0.3 hp Grip Type Extended 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 Number of Vacuum Holes 6 Dust Collection Type Included Vacuum Hose Mount Exhaust Location Rear