BernzOmatic® Standard pencil flame torch produces 1/2 inch wide for light work. Brass burn tube for durability. Solid brass regulators for durability. Adjustable flame for controlled heat output. Designed for light duty tasks using propane fuel. In addition to light soldering, standard torches are used for a variety of applications like general heating and thawing frozen pipes. The standard torch category offers multiple flame types for all light duty jobs.