King Innovation KT4000 Self-Igniting Adjustable Torch - This high heat torch is designed for heavy applications including soldering, brazing, heat treating, and more. It features a swirl flame that provides hot, efficient heating and fast soldering times. It has an instant on/off trigger for easy ignition and a lock button for continuous use. The quick light torch with advanced control system allows for easy adjustment of the size of the flame for different applications.