... SGS, REACH, High hardness Extra sharp blade, SpecificationsTastefully Ceramic knife, Santoku Knife Certificate:LFGB, FDA, SGS, REACH ... The hardness, strength and corrosion resistance of Zirconia (ZrO2) Ceramic, provides significant advantages compared to traditional stainless ... environmentally friendly.Care & HandlingWith proper care, these ceramic kitchen knives will hold its sharpness for literally ...