The Bernzomatic Max Performance Torch is built with instant on/off ignition, an adjustable ultra-swirl flame and 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. The Max Performance Torch is compatible with Bernzomatic MAP-Pro fuel and Bernzomatic Propane fuel, sold separately. Limited Lifetime Warranty.