... FDA, SGS, REACH, High hardness Extra sharp blade, SpecificationsTastefully Ceramic knife, Santoku Knife Certificate:LFGB, FDA, SGS, REACH, High ... The hardness, strength and corrosion resistance of Zirconia (ZrO2) Ceramic, provides significant advantages compared to traditional stainless steel knives: ... resharpening.· Please use on a plastic or wood cutting board· Rinse in warm water or gently hand wash ...