J.A. Henckels Twin Gourmet knives are precision stamped from a single piece of J.A. Henckels exclusive high carbon, no-stain formula steel. This assures excellent cutting performance and sturdiness. The laser controlled edge is sharp, and stays sharper longer. In addition, Twin Gourmet knives use J.A. Henckels' Friodur ice hardening for corrosion resistance, a process that also contributes to cutting-edge retention. Twin Gourmet knives feature a traditional 3-rivet design handle for strength and durability. The black, Novodur handles are smooth and comfortable to use. The fully visible tang is bonded to the handle, providing proper balance.