... with sheathBlade: 6”, total length: 28.5cm , diameter: 34.7cm , blade thickness: 1.9mmBlade: 3”, total length: 18.5cm , diameter: 20 ... .7cm , blade thickness: 1.7mmAdvancer series 3"/6" well-polished black ceramic ... , 6" chef's knife 2) Materials: zirconia ceramic blade with ABS handle3) Blade Colors: black ceramic in matt or mirror finish4) Available ...