Grainger carries a combination sharpening stone selection to help you create a fine edge or simply sharpen tools and knives. Find a variety of stones with a coarse grit on one side and fine grit on the other side so you can create a sharp edge or hone a dulled one. Just turn the stone over to access the correct grit for your job. Choose from coarse and fine grit aluminum oxide, silicon carbide, a combination of the two, a combination of aluminum oxide and soft Arkansas grit material or synthetic stone. Keep a combination sharpening stone from Grainger on your workbench or in your shop so you can remain on the cutting edge of your trade!