... .Competitive Prices 4.Super hardness, long-wearing Item Name: Corundum knives sharpening stone #600 oil stone delicate Other Name: Alundum sharpening ... Uses: sharpen fine edge on all type of tools including knives, blades and precision cutting tools or polish the surface of ... / oil stone / sharpening stone, please view our relative catagory Corundum knives sharpening stone #600 oil stone delicate