... and rust proof ceramic knife; 2,Heathly,Hygince and anti corrosion; 3,ISO 9001 Certification; 4,No metallic taste Ceramic Knife – High ... Density ZirconiaItem No.: JH3B1-P01,JH4B1-P01,JH5B1-P01,JH6B1 ... -P01Model: 3", 4", 5", 6", 7" ceramic knife B seriesBlade ...