The TS8000 Premium Torch Head is perfect for targeting a high-intensity flame on the jobsite for tasks that include soldering wide copper pipes, brazing, heat treating and light welding It is equipped with a variable control knob, instant on/off start button and lock button to keep the torch lit This unit is made of cast aluminum It works with Mapp gas that burns a lot faster than propane gas The TS8000 Premium Torch Head is perfect for solder, brazing and heating