Designed and developed in close cooperation with renowned professional chefs, Zwillings Four Star knife series is one of the worlds most popular knife lines. Each knife in the Two-Piece Rock Chop set is precision forged from a single piece of Zwilling-exclusive high-carbon 440C stainless steel for enhanced quality, consistency and perfect geometry and balance. Also, these blades go through an advanced ice-hardening process named Friodur. This literally changes the steels molecular structure, improving the cutting properties and bolstering its edge retention to new levels. The blades have been hand-sharpened and laser controlled for an extremely accurate cutting edge. Both knives feature high-impact polypropylene handles that are permanently bonded to the blade. These molded, comfortable handles are both sanitary and colorfast. The bolsters and full-tang design add strength, balance and safety. 100% dishwasher safe. Manufacturers lifetime warranty. Set includes one 7 rocking Santoku knife with a hollow edge and one 5 chopping prep knife with a fine edge.Made in Germany. Cancer and Repr Type: Knives.