Tri-ply construction sandwiches heat-responsive aluminum core between easy-care stainless-steel interior and exterior. Bonded-metal construction ensures fast, even heating. Stainless-steel cooking surface with starburst finish offers a premium look. Ergonomic, riveted stainless-steel handle. Commercial Grade: Thoughtfully designed and expertly engineered to meet rigorous standards and best practices from select commercial testing. Capacity etched on base for quick identification. Ideal for use on any cooktop, including induction. The hardworking mainstay in any kitchen, the saucepan is designed for everything from simmering sauces to cooking vegetables. The pan is from All-Clad's original three-layer bonded Stainless Steel cookware line, which pairs classic style with modern practicality. A new capacity engraving on the base makes for quick identification, and an improved ergonomic handle ensures comfort.