DC Silicon Carbide Grinding Disc 80 gritSilicon Carbide Grinding Discs from DiamondCore Tools are great for removing glaze drips, smoothing warped pots, grinding chips and leveling kiln shelf posts and furniture ESCRIPTION: 300 mm (~12) diameter Silicon Carbide Grinding disc Peel and stick backing for attaching to a dedicated bat Use on pottery wheel for grinding 80# USES: Removing glaze drips Leveling a warped pot Grinding a chipped pot bat grinder Leveling kiln shelf posts and furniture