<ul><li>Four Star is the top-selling knife series of Zwilling J.A. Henckels worldwide.</li><li>Honed and hand-finished by the most skilled artisans, this celebrated collection is the model of safety, ergonomics, and comfort.</li><li>Thanks to their seamless transition from bolster to handle, the knives are comfortable to use for long periods of time.</li><li>The bolster provides the right balance while acting as a safe finger guard.</li><li>The knives are made of proprietary special formula steel that has been perfected for over 280 years.</li><li>Combined with the Zwilling signature ice-hardening technique, these Friodur blades are harder, sharper, they will not stain or chip and they retain their sharpness longer.</li><li>Precision-forged from a single piece of steel, the Sigmaforge knives have an exceptionally sturdy, balanced and flexible blade.</li><li>Manufactured in Germany</li><li>Special formula high carbon no stain steel</li><li>Sigmaforge knife is forged from a single piece of solid steel</li><li>Ice-hardened Friodur blade starts sharper, stays sharper longer, and has superior resilience</li><li>Precision-honed blade and laser-controlled edge ensures ideal cutting angle for sharpness and durability</li><li>Ergonomic polypropylene handles permanently bonded for seamless accuracy and gaps</li><li>57 degrees Rockwell Hardness = excellent edge retention</li><li>Edge angle 15 degrees per side</li></ul>
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