The multipurpose butane soldering kit is equipped with a self-igniter, which makes it very convenient to use. Just press the special button and it is ready to go. There is the ability to adjust the flame from ½ to 2 ½ inches, and the operating temperature reaches up to 2400° F. The butane cylinder is made of metal, which allows it to be refilled. The capacity of the cylinder allows you to run for up to 75 minutes without interruption, and it only takes 10 seconds to refill! This means you can finish your work without unnecessary interruptions.