... ,Heathly,Hygince & Anti-Corrosion; 3,Certificate:SGS,FDA,LFGB,ISO. ceramic knife with Titanium coated, best gift choices for Christmas, Mother ... sizeμm<0.6Thermal conductivityW/(m .k)3.0Features: Our ceramic knives are made of ZrO2, the hardness would close to ... provide better services to you. Thank you.. Best Promotional Product Ceramic Knife with Titanium Coated