... 3,Suitable for dishwasher 1 Zirconia ceramic knife is made of special ceramics,finished product ... rusted and discoloration; 4. white Ceramic knife 5,LFGB,EU,SGSCeramic Knife – High Density ZirconiaItem No.: JH3A1- ... P05Model: 3", 4", 5", 6", 7" ceramic knife A seriesBlade Material: zirconium dioxide (ZrO2; also known ... the gourmet flavor! zirconia ceramic chef knife and paring knife with ABS handle