... ,Hygince & Anti-Corrosion; 3,Certificate:SGS,FDA,LFGB,ISO. ceramic knife with Titanium coated, best gift choices for Christmas, Mother's Day ... known as zirconia)Blade Colour: white, black Handle colour: black,red,yellow, purple,green,blue or at customer's request Handle ... sizeμm<0.6Thermal conductivityW/(m .k)3.0Features: Our ceramic knives are made of ZrO2, the hardness would close to ...