This high heat torch from Bernzomatic has a swirl flame, instant on/off ignition and flame lock for continuous use. Pressure regulated for consistent performance when inverted. Compatible with MAP-Pro cylinder and Propane fuels (sold separately). Works best for large diameter soldering, light brazing, woodworking and cooking. Bernzomatic tools empower professional tradesman, DIYers, artisans, adventurers and creatives with the tools and inspiration they need to take on new projects and redefine what they can achieve.