For use with Bernzomatic Cordless Soldering Irons, micro torches and other devices powered by butane, the 5.5 oz. Butane Cylinder features a universal fueling tip for quick and easy filling. Flame temperature in air is 3,150 degrees Fahrenheit. Flame temperature in air of 3,150 degree F / 1732.2 degree C Universal fueling tip 5.5 oz. cylinder is convenient for handling and storage For use with Bernzomatic cordless soldering irons and micro torches, such as the ST500T cordless soldering iron for hobby and household use