Alegacy Proudly introduces its latest lines of quality stainless steel cookware. the optima lines .8 mm to 1.2 mm thick body is ideal for alternative uses, such as storing prepared foods or cooking highly acidic items that otherwise compromise a lesser grade aluminum. the up to 5 mm aluminum bottom makes for improved heat distribution. several items are also available with a sandwiched bottom of aluminum and .8 mm 18/0 stainless steel, making them induction ready for exceptional durability, the 18/8 stainless steel boasts superb corrosion resistance is built to last in a bustling commercial kitchen. for the economical kitchen operator, optima lls new CT21 material offers a standerd level of corrosion resistance at an outstanding price. .8 mm to 1mm Thick Fry Pan with 3 mm Aluminum and .8 mm 18/0 Stainless Steel Sandwiched Bottom for Induction.