... (94.4%min); 2,Heathly and Hygince ceramic knife; 3,ISO 9001,LFGB,EU,SGS TEST 4,Sharp ... ,JH4B1-P01,JH5B1-P01,JH6B1-P01Model: 3", 4", 5", 6", 7" ceramic knife B seriesBlade Material: zirconium dioxide (ZrO2 ... Knife128mm26mm2.0mm125mm253mm6-inchChef’s Knife153mm36mm2.0mm125mm278mmFeatures: Our ceramic knives are made of ZrO2, the hardness ... services to you. Thank you. 3" foever sharp ceramic paring knife