... ,eco-friendly 4.factory price,fast delivery 4inch hotselling high quality wear resistant zirconia black ceramic knife Specification: ModelBlade Length (mm ... knife. 2.Healthier: Lead-free, non-toxic, acid resistance, alkali resistance, never rust, health environmental protection; keep food color, ... to the enjoyment of the noble. 4inch hotselling high quality wear resistant zirconia black ceramic knife