From the Manufacturer
The Hot Max 500G "Big Max" is the premier large propane torch on the market. The 500,000 BTU Big Max is perfect for burning brush and weeds with clean and efficient LP gas eliminating caustic chemicals in the environment and around sensitive plants. The Big Max is is perfect for melting snow and ice, removing parking lot markings and other paint removal, thaws frozen pipes and equipment, pre-heats metals for welding or branding, melts tar and asphalt, and hundreds of other uses. The Big Max 500G torch is the only torch with a molded handle, which is trademarked, for better control and comfort and the long handle keeps you from bending over. The Hot Max Big Max comes fully assembled and ready to use. The Hot Max Big Max uses standard liquid propane tanks (like those used on BBQ grills). The Big Max comes with a 10' UL/CSA Listed gas hose (rated at 350 PSI), a solid brass adjusting valve to control the flame, a POL safety valve (to prevent excess propane gas flow), and a single flint striker for lighting the torch.