The Bernzomatic® DuraCast 4000 Torch Kit includes one torch head and one 14.1 oz Bernzomatic MAP-Pro® cylinder. The Advanced Performance Torch has instant on/off ignition a swirl flame and a flame lock option for continuous use. It is pressure regulated for consistent performance when inverted making it ideal for large diameter soldering light brazing woodworking and cooking. This torch is compatible with both Bernzomatic MAP-Pro® and Propane fuel. Limited Lifetime Warranty.