... Healthy,Environmental friendly 5.Stain,Rust Proof 6inch eco-friendly,ever sharp and rust proof serrated knife Specification:Model: CKWB6P06Blade ... no need of sharpening for years. Stain and rust proof ,non-adhesion,very easy to clean.No ... no metallic taste and smell.Anti-corrasion, never rust ,keep the food original color and flavour , ... 6inch eco-friendly,ever sharp and rust proof serrated knife