The Mighty Torch is very powerful and will get your job done quickly. It runs on butane, is refillable, has automatic ignition, and is portable and lightweight. You can use it on the included base or hold it to work at angles with ease. It can be used for soldering jewelry metals, firing PMC clay, and enameling. It has a 2500 F flame and up to 60 minutes of continuous burn time. The flame is adjustable and also has a safety lock and a continuous flame lock for convenience. Measures 7.0 x 5.25 x 2.0"? (17.5 x 13 x 5.5 cm). This torch comes with an instruction sheet, as well as instructions printed on the torch itself. Torch is supplied empty.