Innovative precision flat diamond sharpener with two grits for interrupted and continuous diamond sharpening. The 20 cm DuoSharp Plus sharpening stone with base is ideal for sharpening on the countertop and features two sides measuring 152 x 67 mm with an interrupted diamond surface. It is perfect for knives, scissors, and tools, offering the advantages of a continuously coated surface for small and pointed tools. The extra fine diamond (9 microns/1200 mesh) is designed for polishing and smoothing a razor-sharp edge after sharpening with a coarse diamond, while the fine diamond (25 microns/600 mesh) delivers a razor-sharp cutting edge. Diamond sharpening is quick and easy, requiring no greasy oils; it can be used dry or with water. With a solid construction, this sharpener ensures years of consistent performance and reliable service. Craftsmen, chefs, and other professionals trust the outstanding quality and immense versatility of DMT products. Made in the USA.