Soldering gun is another type of soldering iron, but it saves more time and energy than the iron because of solder wire feeding function. The soldering gun feeds the solder automatically by simply press the trigger.
According to solder wire diameter and power, the soldering guns are various in types.
Generally, the power has 30W, 40W, 60W and accept solder wire diameter from 0.8mm to 2.3mm
