PROFESSIONAL PLUMBING, WELDING & BRAZING TOOL: Optimized high intensity swirl flame puts out maximum focused heat. Great for large diameter brazing, welding, soldering, plumbing, torch lighter, fire starter, epoxy resin projects, a charcoal lighter and more. HEAVY DUTY PROPANE TORCH HEAD: Cast aluminum housing built to last, Ergonomic handle design making for a comfortable grip, flame lock push button keeps torch flame active for continuous use, regulator valve for consistent propane flame when tilted ADJUSTABLE FLAME SIZE: Adjustable flame knob to easily tailor flame for different applications. Just screw on the torch head to your desired propane tank, press the push button igniter, adjust the flame to your liking and you are good to go. USE PROPANE OR MAPP GAS TANK: Hand held blow torch with a push button Piezo igniter, this propane torch can be used with propane fuel (flame burns at 3600F) or MAPP Gas (flame burns at 3730F). ABOUT MASTER APPLIANCE: A family owned company, located in Racine WI, has over 65 years of experience in the heat tool industry. Famous in Industry for their rugged Master Heat Guns, Master's heat tools can be found in use in some of the most well known manufacturing companies worldwide.