Diamond Zirconia Porcelain Polisher Wheel CD-W40 Pack of 5 Stones22mm x 1mm.Knife Edge. Medium Grit. Mounted on a standard 3/32" handpiece shank mandrel. For zirconia and all type of ceramic materials in dental lab.Long lasting premium quality stone.Does not heat up porcelain. Superior capacity for cutting zirconia with minimal pressure.
