Features and Benefits: * Sharpens knives faster than conventional stones with DMTs monocrystalline diamond surface * Three different diamond stones: Extra-Fine to polish and refine an edge, Fine for a razor sharp edge and Coarse to transform a dull edge * New serrated sharpener accessory and fabric storage pouch * No oil is needed-sharpen dry or with water * Durable construction will provide years of consistent performance and reliable service For professional sharpening results, regardless of skill, depend on DMT Aligner Kits and Accessories. Deluxe Aligner Kit includes three 4 Diamond Whetstone in Coarse diamond (45 micron / 325 mesh) to quickly restore a neglected edge, Fine diamond (25 micron / 600 mesh) for a razor sharp edge, and Extra-Fine diamond (9 micron / 1200 mesh) to polish and refine a razor edge after sharpening with a coarser diamond stone; a Serrated Knife Sharpening Accessory Fine diamond to hone serrated edges; and fabric storage pouch in which to carry the Aligner components. Easy-to-follow instructions included. 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.