These genuine Zippo butane inserts offer you the ability to switch your classic Zippo lighter to convenient butane. This double torch insert offers a strong flame and can be used in any standard size Zippo lighter. These inserts are interchangeable in seconds offering you the benefits of both fuel types for your Zippo.

 
These inserts are meant only for standard size Zippo lighters and will not work in Zippo slim lighters.