... Ceramic Knife – High Density ZirconiaModel: 3", 4", 5.5", 6.5", ceramic knife eriesBlade Material: zirconium dioxide (ZrO2; also ... Material: ABS+TPR handleSize Available: 3", 4", 5.5", 6.5"Features: Our ceramic knives are made of ZrO2, ... smell or oxidation on the blades will transfer when touch the foods; Non-porous surface will not let ... better services to you. Thank you. 6.5 inch ceramic knifes