Feel inspired and let your expertise shine with the All-Clad Copper Core 10-Piece Cookware Set. Designed for professional use, Copper Core features 5-ply construction with a copper center, which transfers heat and spreads it quickly, evenly, and precisely throughout the cookware, all the way to the rim. The super-responsive cookware works well for recipes that require precise temperature control, such as delicate sauces. BONDED, ENGINEERED, & ASSEMBLED IN CANONSBURG, PA – USA SINCE 1971.