Air Polisher Product Type Air Polisher Polishing Motion Rotary Included Pad Sizes 3 in Minimum Disc Diameter 3 in Maximum Disc Diameter 3 1/2 in Abrasive Mount Type Hook and Loop Orbit Size Not Applicable Horsepower 0.7 hp Duty Light Grip Type Pistol Speed Settings Variable Maximum Motor Speed 2 500 RPM Air Consumption 18 cfm Required Pressure 90 psi Air Inlet Size 1/4 in Air Inlet Type NPT Minimum Hose Size 3/8 in Spindle Thread Size 1/4 in - 20 Throttle Type Lever