Right Angle Disc Sander Industrial Duty 1.0 HP Pad Size 4-1/2 in to 5 In. 10.25 Average CFM @ 15 Second Run Time 41.0 CFM @ Full Load Free Speed 11 000 rpm Spindle Size 5/8 In.-11 Rear Exhaust Type Air Inlet 3/8 in NPT Min Hose Size 3/8 In. Overall Length 11-11/16 In. Required Pressure 90 psi Variable Speed No Composite Handle Material Composite Housing Material Lever Throttle Thermoplastic Pad Face Type Non-Vacuum Vacuum/Non-Vacuum