Innovative precision flat diamond sharpener with two grit sizes for interrupted and continuous diamond sharpening. The 20 cm DuoSharp Plus sharpening stone with base is ideal for counter and bench sharpening 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 continuous coated area for small and pointed tools. The extra fine diamond (9 micron/1,200 mesh) is designed for polishing and smoothing a razor-sharp edge after sharpening with a coarse diamond, while the fine diamond (25 micron/600 mesh) provides a razor-sharp cutting edge. Diamond sharpening is quick and easy, requiring no greasy oils; it can be used dry or with water. With solid construction, this sharpener ensures years of consistent performance and reliable service. Craftsmen, chefs, and other experts rely on the outstanding quality and enormous versatility of DMT products. Made in the USA.