Use this handy insert to transform your All-Clad 3-qt. or 4-qt. saucepan into a large double boiler. It's perfect for everything from melting chocolate and making custards to cooking delicate sauces or preparing extra-creamy scrambled eggs for a crowd. Generously sized insert makes it easy to cook large quantities. Sheathed in stainless steel, the insert conducts beautifully for gentle, uniform cooking. The long handle stays cool on the stovetop. Dishwasher safe.