This grindstone made of white corundum is quicker in pulping and high in self sharpening. Therefore, the grinding wheel dressing is not very frequent, and the work efficiency can be improved. whetstone sharpening stones knife sharpening stone whetstones for sharpening knives knife sharpener stone wet stones for sharpening knives knife sharpeners stone sharpening stones for knives japanese whetstone knife sharpener wetstone sharpener grinder 1000 grit whetstone.
eBay