SHAN ZU chef's knife core is made of Damascus Japanese steel 10Cr15Mov that has high hardness(62HRC), anti-corrosion, and wear-resistant features; combined with advanced modern forging technique, you will get a super sharp kitchen knife Damascus knife is famous for its beautiful pattern, SHAN ZU Damascus pattern technique involves layering sheets of carbon steel, and applying excessive heat treatments with repeated folding and forging until the blade pattern is formed. The pattern gets more visible after polishing. In modern-day, there is a fake Damascus knife that has merely been laser-etched (surface treated) to produce a pattern, it is fake Damascus since the pattern can be worn away.Besides on the knife core, there are still 66 layers of carbon steel that are forged on the blade. A total of 67 layers of steel structure greatly enhances the characteristics of corrosion resistance, rust prevention, and toughness, it would be a long-lasting use utility knife. Adopts frosted glass fiber G10 handle which is much more solid and comfortable than the wood handle, it becomes an ergonomically designed octagonal balanced professional knife to provide high-performance cutting for meat, vegetable, and fish.his chef knife blade is 8 long, 2.2mm thick, the handle is 5.3 long, cutting angle is 15-degree. The knife is 270g heavy. SHAN ZU provides a 12-month warranty on all knife products, please feel free to contact us if you meet any problem