Using advancements in materials and manufacturing technology, acclaimed designer Matteo Thun merges innovation with tradition to create ZWILLING? Pro. A revolutionary sloped bolster design offers a smooth transition from handle to blade for the perfect feel and optimal control over our famous cutting edge. Constructed from a single piece of Special Formula steel, these SIGMAFORGE ? knives feature remarkably sharp, flexible and corrosion resistant FRIODUR ? ice-hardened blades for the ultimate in lasting sharpness. ZWILLING ? Pro, a modern twist on a timeless classic. Features & Benefits