The ZWILLING TWIN Gourment Classic line features precision steel and a single piece stamped construction. ZWILLING Special Formula, high carbon no-stain steel blades are FRIODUR ice-hardened to be durable, stay sharp, and not rust. Classic Triple Riveted Handle for comfort, durability and strength. Made in Spain, lifetime warranty. Stamped German stainless steel Three rivet handle No-stain blades Made in Spain Includes wooden knife block