3 pcs 6 inch x 1/2 inch buffing polishing wheels with Shellac Leather(yellow only) Center Hole Reinforcement.The 6 inch polishing wheel with 1/2 inch center hole fits most of the bench grinders and polishers. The polishing/buffing wheels will make your work easy and effortlessThe Buffing Wheels with High grade cloth is durable, extra long life .Buffing/Polishing Wheels are perfect for brass, aluminum, bronze, stainless steel, chrome, cast iron etc ,work with buffing compound[DIAMETER]: 6 inch Face, 1/2 inch Arbor Hole. H: 1 inch white cotton buffing whell 60 ply, yellow treated polishing wheel 42 ply.6 inch loose cotton buffing wheel,Material: 100% Cotton.Color: yellow + white3 step cotton buffing wheel .The single sewn buffing wheel idear for finishThe concentrically sewn circles buffing wheel idear for mediumThe yellow treated buffing wheel idear for coarseMAKE THE drill speed is under 3600.Package Contents:1set * 3 buffing polishing wheelsOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.