Both of them use a piece of wire and, in a way, extend the reach of your soldering iron’s tip. Copper wire would work better because of superior thermal conductivity, but other types of solid ...

However, it's toxic and bad for the environment. Many solders contain a rosin core, which aids in cleaning the wires you're soldering and improves the integrity of the solder. To create a strong ...

The idea is to make soldering a one-handed task by combining the soldering iron and a solder wire feeder into one compact package. The solder feeder is very reminiscent of a filament extruder on a ...