Ceramic knife is composed from zirconium oxide ceramic, which is known as "Ceramic Steel". It is a great knife to any modern kitchen. Compared with the metal knives, it has the unmatchable advantages: ◇　Ultra-sharp Edge. It can amaze you at slicing meat as thin as paper. ◇　High hardness, high resistance to wear. It is as hard as HRA87 while its wear resistance is 60 times of metal knives. ◇　Free from dust. Resistance to corrosion of various acid or alkaline organic substance. ◇　Wont stain, clean easily. It is free-magnetic, completely impact and no porosity. ◇　Keep the foods primary color and flavor. For its chemical stability, it can hardly react with any foods. ◇　Snow-white, pearly and spotless.