1. Blade from German stainless special formula steel , FRIODUO ice-hardened, best combination of flexibility, durable sharpness and anti-corrosion. 2. 8 steps to make the hand honed cutting edge sharp and shining 3. More comfort in handling due to 45 degree phase smoothening back of the blade. 4. Ergonomic handle in a completely new design, with red-white ZWILLING logo inlay