Ideal for smoothing rough edges on metal or to grind away rust Wire Diameter: 0.3 mm Thread: 58″ 11UNC INGCO wire cup brush quite small and compact to help narrow the area when working Can be used flexibly and without help to make it possible to use it in a rational and useful way Made with high-grade copper material capable of withstanding heat Withstands high pressure on impact, withstands breakage, is able to resist lightning after a long time of use Can remove all stains, welds, rust, old paint help clean metal easily