This universal double boiler from Nordic Ware is most from sturdy aluminum and fits most 1 - 3 qt saucepans. A double boiler is used for delicate sauces or for melting chocolate over controlled, low heat.
The double boiler is made in the USA, has a 5 year warranty, and features a superior non-stick coating.

Interior Dimensions: 8.5" x 8.5" x 4".
Exterior Dimensions: 10.8" x 9.3" x 3.9".