MULTIFUNCTIONAL: To clean soldering iron tips without water, retain tip temperature and speed up work efficiency. Remove solder residue quickly and easily by simply inserting the solder tip into the brass sponge during and after use. USEFUL: The brass wire can effectively remove oxides and excess solder, clean the solder tip impurities without damaging the soldering iron tip, and can extend the service life of the soldering iron tip. SAFE: Soldering iron tip cleaner ball is made of brass, thermostable, smokeless, tasteless, non-toxic, and non-polluting. CONVENIENT: The spherical shell and domed case design with the handle can make tin slag not splash on the workbench to keep work environment clean and make your operation more convenient . INCLUDING: One support holder (with cleaning ball wire), and one replacement cleaning ball wire. Product size: 2.7'' x 3"/68mmx 79.5mm; wire ball diameter: 2.7"/68mm.