... .made of Zirconium; 2.Health,Hygiene,hard and sharp; 3.No rusted and discoloration; 4. white Ceramic knife 5 ... ,JH4A1-P05,JH5A1-P05,JH6A1-P05,JH7A1-P05Model: 3", 4", 5", 6", 7" ceramic knife A seriesBlade Material: zirconium dioxide ... Blade Colour: white,Handle Material: ABS+TPR handleSize Available: 3”, 4”, 4.5”, 5”, 5.5”, 6”, 6. ... the gourmet flavor! High quality zirconia ceramic chef knife with sheath