Describe: The Professional S series of knives are made from specially formulated ZWILLING steel, combined with FRIODUR® cold-roll technology to give the blade a superior elasticity and corrosion resistance. SIGMAFORGE® forging technology, forging from monolithic steel, helps the knife achieve sharpness, precision and excellent balance. The classic handle and knife neck are seamless, making the knife easy to clean and the food won't stick. Size Information: Weight: 0.2 kg. Size: 42 x 6.5 x 3.0 cm. Use: Specialized for skimming fish bones and skin correctly. Preservation: Hygiene products by hand. Keep in dry places. Brand Information Brand: ZWILLING. Material: ZWILLING special formula steel. Products without warranty.