Ultimate versatility from the masters at All-Clad. Two separate inserts, deep and shallow, transform a generous stock pot into a pasta cooker or steamer. Heavy-gauge stainless steel with an encapsulated aluminum core bottom conducts heat evenly. Tight-fitting 18/10 stainless lid locks in heat and flavor. Heavy-gauge aluminum core bottom. For use with all cook tops. 4 piece with All-Clad soup spoon total 5 pieces.