YCC Team Kitchen Ceramic Knife Set, 6" Chef, 5" Utility, 4" Fruit, 3" Paring, Black Handlle It has unparalleled sharp blade and can cut out the meat as thin as paper. The precision zirconia has super hardness which is second to the diamond's,and wear resistance which is as 60 times as a common kitchen knife,without polishing,as new as before. The superior non-metal makes it never rust and send out metal ions.This can keep the original taste better. Its weight is as half as the same kind metal knife.Light and convenient,even for long time used. The best tool for cutting the fish, fruits, vegetables, meat and guaranteeing the family especially the baby's health and the food's cleanness and health.