ceramic knife 1. Durable, Easy to Use 2. High hardness 3.SGS LFGB 4.Never rust,anti-corrosion ceramic knife,zirconia ceramic knife,ceramic fruit knife,ceramic kitchen knife,Utility KniveFeatures:material special:the high-tech zirconia materials from refined,high-density,high hardness,never wear,hardness(HRA87)is second only to diamond,wear a metal knife 60 time. green:lead-free,non-toxic,acid, ...