Use the All-Clad Stainless Steel Double Boiler Insert for any task that requires indirect heat. Melt cheese or chocolate, make custard, and keep sauces and gravies warm without scorching or separating. This insert is compatible with All-Clad D3 Collection cookware with an 8-inch diameter. Stainless steel construction is durable, easy to clean, and won't react with food. The handle is permanently secured with stainless steel rivets and allows for easy removal of the double boiler insert from the pan.