Guaranteed not to hollow or groove, DMT’s precisely engineered Dia-Sharp Bench Stone with continuous diamond surface assures consistent, even sharpening every time. The 8 length is great for both long and short knives providing cutting edge performance for a quick, keen edge on small contact areas and pointed tools. Coarse diamond 45 micron / 325 mesh to quickly restore a neglected edge. Sharpening with diamonds is fast and easy. No messy oils needed—sharpen 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. Features Sharpening surface accommodates range of edges— from large knives to small pointed tools Coarse diamond to transform a dull edge Sharpens knives faster than conventional stones with DMT's monocrystalline diamond surface No oil is needed-sharpen dry or with water Durable construction will provide years of consistent performance and reliable service Specifications Grit Coarse 45 micron / 325 mesh Size 8 x 3 x 3/8 SOLD QUANTITY 1