BernzOmatic 361472 BZ4500HS Heat Shrink Torch Auto start/stop ignition easily ignites and extinguishes flame Heat shrink tip provides wide flame for heat shrinking, heat treating and heat application 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