1,Injection handle 2,Super hardness 3,Suitable for dishwasher 4,Our factory ... ", 5", 6", 7" ceramic knife A seriesBlade Material: zirconium dioxide (ZrO2; also known as zirconia)Blade Colour: white,Handle Material: ABS+TPR handleSize ... all kinds of acid & alkaline organic substances; keep food original color and flavor, enjoy the gourmet flavor! High quality zirconia ceramic chef knife with sheath