... Healthy,Environmental friendly 5.Stain,Rust Proof 6inch eco-friendly,ever sharp and rust proof serrated knife Specification:Model: CKWB6P06Blade Material ... no need of sharpening for years. Stain and rust proof ,non-adhesion,very easy to clean.No chemical reaction ... ,keep the food original color and flavour ,environment friendly.Lightweight and nonmagnetic,make you more comfortable even in long time ...