XtremepowerUS Benchtop Buffer Polisher Grinder Heavy Duty (8") Go to amazon.com Related posts Top 6 best benchtop grinder buffer Thing need consider when find benchtop grinder 8? FeatureRotates Buffing Wheels 8" & Smaller With 5/8" Center HolesIncludes 2 8" Buffing Wheels3450 RPM3/4 HPArbor: 5/8" DescriptionThe sealed Buff Motor features full copper windings with tight bearing tolerances to produce quiet operation, low vibration and long life operation.