Due to multipe customer requests we have brought back a fantastic product: Kyocera Ceramic Knives, Kyocera Ceramic knives are than any steel knife on the market. Made of zirconium oxide (which is second in hardness only to diamonds), a ceramic knife's ultra sharp blade chops and cuts with precision and accuracy every time, and maintains its razor-sharp edge for many years. Lightweight and perfectly balanced, it is stain and rust proof and will never discolor. It comes with a 5-year limited warranty against breakage. Because prices for ceramic knives have become more competitive in the last few years, we have decided to bring this line back to Cucina Fresca and we are excited to offer our customers other great cutlery option.