Black blade ceramic knife: Durable,Easy to Use Best Quality Ceramic Blade ISO9001,FDA/LFGB/REACH/SGS Approved 1,About JOHNCERA 6inch Black ceramic kitchen knife JOHNCERA 6inch Black ceramic blade chef knife is made from the material which likes diamond’s characteristic. This high-tech Knife is produced by same manufacture craft, high temperature synthetic. We believe it will make your living ...