INGERSOLL-RAND 3103XP Air Disc Sander, 0.2 HP, 2 In. or 3 In.. More details: Air Disc Sander, 0.2 HP, Pad Size 2 In. or 3 In., 2.1 Average CFM @ 15 Second Run Time, 19.4 CFM @ Full Load, Free Speed 15, 000 rpm, Spindle Size 1/4 In., Through Handle Exhaust Type, Air Inlet 1/4 In. NPT, Min. Hose Size 3/8 In., Overall Length 5 In., Required Pressure 90 psi, Variable Speed Yes, Composite Handle Material, Composite Housing Material, Trigger Throttle, Roloc-Style (3M) Pad Face Type