Description Renowned for its professional-grade residential stoves andappliances Viking presents its 13-piece Tri-Ply Copper Cookware Set. Offeringsuperior performance and durability the tri-ply design combines an attractivemirror-finished stainless-steel exterior aluminum-alloy core for heatconductivity and high-quality 18/8 stainless-steel interior. The even transferof heat from the tri-ply design of stainless-steel exterior bonded to a layerof aluminum alloy and then finished with a final layer of high quality 18/8surgical-grade stainless-steel gives you more efficient ?rim-to-rim? cooking.The interior aluminum layer also reduces hot spots across the bottom of thepan allowing you to deliver the perfect sear. Because the clad constructionhelps to increase the efficiency of each pan you can cook at lowertemperatures and achieve the same results as cooking on single-ply pans athigher heat thus saving energy. The construction offers even heatdistribution for more efficient cooking. The ergonomic