Buck Knives 97080 EdgeTek Dual Grit Diamond Knife Sharpener Category name: rods-steels Country of origin: USA Brand name: Buck 100% diamond coated sharpening surface with 325 coarse and 750 medium grit Ultra light weight 2.8 oz. Contoured Polypropylene handle Overall length: 12 inches Comes with Buck's Forever Warranty and is Made in the U.S.A.