Knife set includes - chef knife 20 cm - bread knife 20 cm - carving knife 20 cm - utility knife 13 cm - paring knife 9 cm materials used the steel we use for our blades is composed of carbon for the hardness and chromium for the stainless (x50crmov15), insuring so an excellent cutting. After sales care our knives are made for food use only. They can be washed in a dishwasher, although we recomm...