Bernzomatic TS8000 - High Intensity Trigger Start Torch Auto start/stop ignition easily ignites and extinguishes flame Ultra swirl flame provides maximum heat output for large diameter soldering, brazing, heat treating and light welding For best results, use with MAP-Pro fuel, such as the Bernzomatic 14.1 oz. MAP-Pro Hand Torch Cylinder Cast aluminum body construction for durability Pressure regulated for consistent performance when tilted or momentarily inverted Adjustable flame control knob for ease in switching between different applications Adjustable flame control knob to easily size flame for different applications Instant on/off trigger igniter with simple one-handed operation Cast aluminum body for durability Lock button keeps torch lit for finger-free use Brazing Heat Treating Large Diameter Soldering Light Welding