Mapp Gas Torch can adjusted into one or two flames for the flexible applications for Accessibility & Mobility and Big Object. Pls Note: No gas bottles are included Double Turbo & swirl flame Mapp Gas Torch Turbo provide more heat distribution for soldering, brazing, heat treating and light welding. For best performance,use with 400g PRO GAS,but Propane is also suitable with lower heat Mapp Gas Torch Turbo Gas control valve on the WT-10 Propane Torch handle makes it easy to precision flame,ignite/extinguish the flame. Mapp Gas Torch Turbo 5 FT/1.5M hose for maximum makes it easy to precision flame,ignite/extinguish the flame Mapp Gas Torch Turbo Brass tip and 100% rugged brass inter-structure to avoid the gas-leakage,100% fire tested