1. knife ceramic 2. 3",4",5",6",mirror blade 3. LFGB,SGS 4. factory price,fast delivery 5. ... sharp,rustproof,eco-friendly China top quality 4pcs mirror blade knife ceramic Specification:Blade Material:Zirconium OxideHandle Material: ABS ... may become swell and be corroded China top quality 4pcs mirror blade knife ceramic