Application: This gas soldering iron is very suitable for precise soldering of items such as electronics, instruments or circuits to computer motherboards. For automobiles, trucks, aviation maintenance, hydropower engineering, home wiring welding and repair High Quality: Fine workmanship and high quality, the gas soldering iron can be used for a long time. Pocket-sized and portable, lightweight and convenient [Note]: This gas soldering iron is shipped without fuel, and this product does not spontaneously ignite, so you need to prepare your own fire source to start it. Do not fill the tank with air or the pressure will cause a fire and block the air vents Easy to use: This gas soldering iron is easy to maintain and refill, it uses the widely used butane gas. When using a gas soldering iron, special care must be taken to ensure that the flame is completely extinguished. If the object in the soldering iron turns red, restart the work, the flame size should not be too large to prolong the service life of the soldering iron SAFE WORK: The soldering iron will melt silver and gold solder and can be used as a mini flashlight or heat gun. Will hold enough gas in its chamber to ensure you get the job done safely and completely