More than 30 years ago Zwilling J.A. Henckels revolutionized the standards for top-quality knives with the seamless synthetic handles of their Four Star Series. This classic masterpiece of safety, ergonomics and comfort has become the bestselling Zwilling J.A. Henckels knife series worldwide. The Zwilling J.A. Henckels special formula steel achieves the optimum balance of chromium and carbon content – the secret of particularly high-quality steel. FRIODUR branded knives have been ice-hardened to enhance their quality. They have exceptional cutting properties, are especially corrosion-resistant and flexible.