... supper sharp and longer life than the traditional steel peeler Stain and rust proof ,non-adhesion,very easy to clean No ... in perfect light transmittance, without any stain, chromatic aberration, shadow and hidden cracks.(Without any stain, chromatic aberration, shadow and hidden ... ,,do not use for cutting hard ,frozen or broned food. Avoid cutting on marble ,stone, glass surface wash by hand with water ...