... SGS, REACH, High hardness Extra sharp blade, SpecificationsTastefully Ceramic knife, Santoku Knife Certificate:LFGB, FDA, SGS, REACH, High hardness Extra ... . The hardness, strength and corrosion resistance of Zirconia (ZrO2) Ceramic, provides significant advantages compared to traditional stainless steel ... need to be fully dried when stored. The black poly easy-to-grip durable and comfortable handle ...