Since 1731, cutlery by ZWILLING J.A. Henckels cutlery has been recognized worldwide as a symbol of quality, innovation and design. Crafted with over 280 years of knife-making expertise, ZWILLING Porterhouse is the benchmark for steak knives. Precision-forged from a single piece of special formula stainless steel, the strong, ice-hardened blades boast long-lasting sharpness. From Porterhouse to tri-tip, these durable knives effortlessly slice through even the thickest cuts of meat.