Excellent knives remain excellent when they are sharp and well cared for. This Kuraidori 8" diamond knife sharpener is manufactured from high carbon steel with diamond coating and features a polypropylene and santoprene handle with end cap. The 10mm diameter rod shaped blade grinds as well as hones and can put an excellent edge on a dull knife. This sharpener can be used on regular Kuraidori, Kuraidori Damascus and other quality brand knives. Only from Kuraidori and only at Home Hardware.