this is not cracks

Golden Star 800 grit and 1000 grit are included in Boride stone bundles

We buy sharpening stones from Boride and mount the stones to blanks

Such generic names are confusing

idahone ceramic stone for edge pro Grit:Fine this is not cracksIdahone Ceramic Stones are used for sharpening knives using Hapstone or Edge Pro knife sharpener. The stone has an extremely high hardness rating. Idahone Ceramic scarcely wears over time. Ceramic stones are available in three grits: medium, fine and ultra fine. Ultra fine ceramic stones utilize the top quality 99. 5% alumina and provide a super finish for the cutting edge. Idahone Ceramic was recently updated to the thickness 6 mm (0. 25 inches).