... ,good quality and competitive price 3,pass LFGB,FDA Black blade utility knife Advantages : SHARP, HEALTHY, FLEXIBLE, EFFICIENT, RUSTLESS-Never leave any ... so there is never rust.SpecificationBlade Material: CeramicHandle Material: ABS Blade color: White or BlackFeatures•Special Materials: Using high-tech Zirconia ... time,. It will be damage cause by heat unevenly. Black blade utility knife with