The DMT Dia-Sharp Diamond Plates are impregnated with diamonds for an aggressive cutting surface. The D8E is a great plate to continue refinement of your edge and is rated 1200 grit. It will remove the scratches from the earlier plates or stones and will leave a nice toothy edge. These plates have rubber feet attached to keep them from slipping while in use. Measures 8” x 3” x ¾”.