1.Freshness, keep the fresh taste of food after cutting, 2.Easy to clean, anti-bacteria. 3.Handy and exquis Nanotechnology, made of super pure Zirconia fine.·High degree of hardness,only second to diamond (vs.steel 5-6 mohs, diamond 10 mohs, zirconia 8.2 mohs); strong wear and abrasion resistance,60 times better than stainless steel.·Super sharp, acids and rust proof, blade can keep sharp for ...