Solder wire, originally thought solder wire like a cartridge in electric iron inside, different thickness of wire has what meaning, melt not all the same become a lump of liquid?
With the same effect of rosin flux, the flux.The sponge is to clear the soldering liquid from the head of the iron
Some people's habits, as well as small welding mobile phone panels, small welding wire, good operation, easy to use...... Thank you. I hope I can help you!
According to the power size of electric ironChoose suitable solder wire.