... made of Zirconium; 2.Health,Hygiene,hard and sharp; 3.No rusted and discoloration; 4. white ... Ceramic knife 5,LFGB,EU,SGSCeramic Knife – High Density ZirconiaItem No.: JH3A1-P05,JH4A1-P05,JH5A1- ... which called “ceramic steel”, have the properties as sharp-edged, wearable, rust proofed, Health and Environmental Protection ... and flavor, enjoy the gourmet flavor! High quality ceramic kitchen knife