1/4" NPT, 6" x 5-1/2", 3" Dia, 20000 RPM, 90 PSIG, Round Abrasive, Disc Sander Disc Sander Item Sander Item Type Disc Belt/Disc/Pad Details Round Abrasive Belt/Disc/Pad Size 3 Inch Diameter Spindle Size 3/8 Inch -24 TPI Male Overall Size 6 Inch Length x...