8 Diamond Whetstone sharpener with mounting tabs provides larger surface area to accommodate wide range of edge needs. This model includes a beautiful hardwood case; includes non-skid rubber feet. Size: 8" x 2 5/8" x 1 1/4" Extra-Fine diamond (9 micron / 1200 mesh) to polish and refine a razor edge after sharpening with a coarser diamond. Sharpening with diamonds is fast and easy. No messy oils neededsharpen dry or with water. Durable construction will provide years of consistent performance and reliable service. For proper tool maintenance, woodworkers, chefs and other professionals rely on the superior quality and versatility of DMT® products. Made in USA.