Amazon : Carborundum Grinding Stone : Other Products .I was thrilled to find this stone. I had used one for years that wore done over time. It is an ideal surface for sharpening knives, chisels and wood turning tools.carborandum stone for grinder in davao,Type 11 Cup Stone | United AbrasivesSpecial zirconium grain formulation; Coarse grit and hard bond for the toughest grinding applications; Outlasts standard Aluminum Oxide cup wheels 2:1. Metal.
carborandum stone for grinder in davao