Air Disc Sander Product Type Air-Powered Disc Sander Included Pad Sizes 7 in Maximum Wheel Diameter 7 in Maximum Disc Speed 5 000 RPM Speed Settings Variable Abrasive Mount Type Threaded Shank Vacuum Type Non-Vacuum Horsepower 0.8 hp Duty Medium Grip Type Pistol Grip with Side Handle Required Pressure 90 psi Air Inlet Size 1/4 in Air Inlet Type NPT Minimum Hose Size 3/8 in Throttle Lever Exhaust Location Front Tool Length 7 3/8 in Average Flow Rate 4.8 cfm