All-Clad 7100-7 Master Chef 2 MC2 Stainless Steel Bi-Ply Bonded Cookware Set, 8-Piece, Silver Set consists of 1-1/2-, 3-1/2-quart covered saucepans, 10-inch fry pan, 5-quart casserole, steamer insert Brushed aluminum exterior and 18/10 stainless-steel interior Thick core of pure aluminum that spreads heat evenly all the way up the sides Thick core of pure aluminum that spreads heat evenly all the way up the sides Lifetime warranty against defects