With blades made of German, special-formula high-carbon/stainless steel that are Sigmaforged from a single piece of material and ice-hardened, the knives in Zwilling J.A. HenckelsPro Four-Piece Steak-Knife Set stay sharp longer and have superior resilience. Precision-honed and laser-controlled edges ensure ideal cutting angles for sharpness and durability. Ergonomic polymer handles provide a secure grip and are perfectly bonded to the full tangs. Traditional three-rivet design. Set includes four 4.5 steak knives. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Knife Sets.