... knifeBlade Material: zirconium dioxide (ZrO2; also known as zirconia)Blade Colour: white, black, and coloured blades availableHandle Material: ABS ... , wooden, ebony, cloisonne, resinSize Available: 3”, 4”, 5”, 5.5”, 6”, 6.5”, 7” and 8"Ref. Specification: ModelStyleLength of BladeWidth of ... Non-porous surface will not let bacteria infiltrate the blade; Cleaning convenience, the foods never stick to the ...