Black Manual Diamond Sharpener

Good for sharpening knives of various materials such as Ceramics, Stainless steel, Steel and Titanium etc. Diamond grinding wheel sharpens not only on metal kitchen knives - stainless steel, steel, titanium but also on Kyocera made ceramic knives. The spring function grinding wheels will achieve perfect performance to re-sharpen by ease. You can sharpen a kitchen knife simply by putting the knife into the groove and pulling it slowly a few times.