Diamonds are a pottery wheel’s best friend with the DiamondCore Diamond Grinding Discs. Available in a variety of sizes from 8” to 12” and grit sizes from 60 to 240 grit, these grinding discs can suit different needs. They are useful for everything from leveling a warped pot, to removing high-fire glaze drips. No matter what your ceramic project demands, trust in the sturdy, diamond surface with a 7,000-hardness rating to get the job done. - DiamondCore Diamond Grinding Disc - F1, 60 grit, 8" Dia.Grinding, F1 60 GRIT 8IN -