J.A. Henckels has been manufacturing fine cutlery since 1731. Made in Solingen, Germany, its knives are forged, not stamped. Blade density is improved using the FRIODUR ice-hardening process, which provides a sharper initial edge for easier maintenance over time. Larger knives are crafted using Henckels' exclusive SIGMAFORGE® standard. Four Star series knives are made of high-carbon stainless steel and precision-honed, with a laser-controlled edge, a balanced super-bolster, and a tang that extends to the back of the polypropylene handle, which is permanently bonded for seamless accuracy.
Features of SIGMAFORGE® knives are: