... Zirconium; 2.Health,Hygiene,hard and sharp; 3.No rusted and discoloration; 4. white Ceramic ... 5.5”, 6”, 6.5”, 7” and 8”Ref. Specification: ModelStyleLength of BladeWidth of BladeThickness ... ”, have the properties as sharp-edged, wearable, rust proofed, Health and Environmental Protection. They can endure ... alkaline organic substances; keep food original color and flavor, enjoy the gourmet flavor! High ...