When the iron tip is inserted into the metal, multiple contacts is used to achieve multi-point cleaning, which is cleaner, and quick Effectively oxidation of the soldering iron tip and increase the service life of the soldering iron Use for Remove solder residues, maintain components clean Not water is added during work to avoid soldering iron cooling and improve welding efficiency The dross not splashing on the workbenches, keep the working environment clean, Manufacturer: Bottone