Product DescriptionA double boiler insert holds food above boiling water, protecting it from the harsh direct heat of a burner. A double boiler may be used to melt chocolate, prepare a delicate sauce such as hollandaise, or for making custard. Made of stainless steel, this insert is designed to withstand the use of metal whisks. Will only fit the following 4 Qt. Saucepots: Anolon Advanced #81884, Anolon Advanced Clad #30167, Anolon Titanium #81309. Will not fit Anolon Commercial Clad #30166. ...