... . 2 Natural delicious,lossless 3sharpness can keep long Specifications1. zirconia ceramic knife made of Zirconium; 2.Health,Hygiene,hard and sharp; 3 ... Knife178mm42mm2.2mm130mm308mm8-inchChef’s knife204mm45mm2.2mm130mm334mm1,Refining made by Zirconium ceramics materials which called “ceramic steel”, have the properties as sharp-edged ...