... fish, fruits, vegetables and other clear-cut, anti-bacterial anti-fouling, easy to clean. About Ceramic Knife1, Nanometer ... with water or detergent only, and reserve the tip in protected box when idle.4,Be careful ... with sharp blade of the tip, or hand might get cut. Please reserve ... used diamond abrasive disk to grill tip of knife. 2 pieces ceramic fruit knife set with anti-slip handle