[Function]These 6inch buffing wheel are 1/2inch center hole fits most bench grinder. These Buffing Polishing Compounds Kit great for achieve a smooth and mirror finish on a widely variety items surfaces, help you handle most kinds of projects. [Widely Application]These 6inch buffing wheel perfect to polishing wood,metal, cast iron,brass, aluminum bronze and stone etc. Due to it's fine cotton buffing wheel, it would have a little flying fibre during first time working. [Package Include]Buffing Wheel: 1pc 6inch Soft buffing wheel (30Ply) / 1pc 6inch Fine buffing wheel (60Ply) / 1pc 6inch Medium buffing wheel (40Ply). Buffing Polishing Cutting Compounds: 3pcs. Non-Woven Self Adherent Wrap: 2 pack. [Professional Design]These buffing wheels are made from cotton, thick concentric sewn circles design holds plys together more stiffly so greater pressure can be applied. Buffing Compounds are color coded for easy identification in a scale from coarse to fine, Brown is coarse, White is medium, Green is fine. You can wrap a Non-Woven Self Adherent Wrap around your fingers to protect them and prevent the polishing compound from slipping when doing polishing work., Weight: 1.14860838502 pounds, Manufacturer: Aisuoka