Ceramic Knife, 5" Ceramic Knife,5 inches Black Blade Ceramic KnifeMaterial:black zirconium oxide ceramic blade, ABS handler.Model:5" black blade ceramic slicing knife.Size: Available in 3", 4", 5", 6" and 7" of blade.Our ceramic knives are made of zirconium with yttrium oxide (TZP), the hardness would close to the diamond, which ensures a longer lasting cutting than other traditional steel knife.Hygiene: No smell, or oxidation on the blades, will transfer when touch the foods; Non-porous surface will not let bacteria infiltrate the blade; Cleaning convenience, the foods never stick to the smooth surface.Fordetails pleasecontact usdirectly, we will get back to you within 5 hours..