Wooden Handle 4-inch Utility Ceramic Knife, 4"Ceramic Knife,4 inches BladeMaterial:white zirconium oxide ceramic blade,wooden handleModel:4" wooden handleutility ceramic knife Size: ceramic blades are available in 3, 4, 5, 6 and 7Features: 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. Service: any enquiries, pleasecontact usdirectly, we will get back to you soon. Here's why ceramic knives are so great: Ultra-Sharp Long Life Blade... Holds its edge much longer than steel. Lasts many months or years without sharpening