DMT 6-In. Diamond Whetstones, 3-Pack is for both at-home and professional use, ing three different sharpeners to meet all your sharpening needs. This set includes an extra-fine diamond surface (9 micron/1200 mesh) that is i for polishing and refining a razor edge after sharpening with a coarser diamond. For initially honing a razor-sharp edge, the kit features a fine diamond surface (25 micron/600 mesh). Additionally, it includes a coarse diamond surface (45 micron/325 mesh) designed to restore a neglected edge. Each sharpener stone measures 6" x 2" x 3/4" and can be conveniently stored in the included hardwood box, making it easy to keep your sharpening tools organized and accessible. Model Number: W6EFC