Features: Ideal for sharpening on the workbench. Extra-Coarse diamond 60 micron / 220 mesh to repair highly damaged edges. Sharpens faster than conventional stones with DMT's micronized monocrystalline diamond surface. No oil need - sharpen dry or with water. Description: The Dia-Sharp 6" is a continuous diamond sharpening bench stone from DMT built to be an essential addition to your workbench. You can depend on the Dia-Sharp to provide crisp, clean edges for every knife and tool you sharpen. The extra coarse diamond (60 Micron / 220 mesh) allows you to remove material even from highly damaged edges in order to get them back to work. Because Dia-Sharp is made from diamond, you can use it wet or dry and no messy oils are needed to keep your tools in top shape. Stay sharp - browse our sharpeners.