A torch designed for heavy-duty use including large diameter soldering, brazing, heat treating and light welding. The high intensity swirl flame provides maximum heat output for more efficient use and faster soldering times._x000d_ _x000d_ Auto start/stop ignition easily ignites and extinguishes flame _x000d_ Ultra swirl flame provides maximum heat output for large diameter soldering, brazing, heat treating and light welding _x000d_ For best results, use with MAP-Pro fuel, such as the Bernzomatic 14.1 oz.