Chef World 8 Qt. 18/8 Stainless Steel Double Boiler with Cover Lid, 3 Piece Set 3 piece double boiler set includes cover lid Induction ready 18/8 stainless steel double boiler with cover lid. Heavy duty true commercial, Professional, durable, restaurant grade NSF listed Features a sandwich bottom witch prevents burning and sticking, and can lead to the destruction of protein and promotes even cooking and heat distribution. Boiler capacity: 8 qt. 2 gal.