The innovative, precision flat, two grit DuoSharpPlus diamond sharpener features both interrupted and continuous diamond surfaces for a variety of sharpening tasks. Providing excellent counter and bench sharpening, each 6 in. x 2 5/8 in. side has interrupted diamond surfaces ideal for sharpening knives and scissors PLUS an additional continuous diamond surface for sharpening small and pointed tools. This particular model comes equipped with fine diamond (25 micron / 600 mesh) for honing a razor sharp edge and coarse diamond (45 micron / 325 mesh) to quickly restore a neglected edge. Thanks to its micronized monocrystalline diamond surfaces as well, you can sharpen edges faster and easier than conventional stones can. No messy oils are needed either, allowing you to sharpen dry or with water. Complete with a durable construction that will provide years of consistent performance and reliable service, professionals rely on the superior quality and versatility of DMT products. Made in the USA.