FiIo Cotto Nero Kg.5

Available in 4 sizes. Known mostly as iron wire, the black brazing wire is a thread drawn wire, derived from a "sweet" wand. The features for which black ground wire is appreciated are ductility and strength, as it is mainly used as a wire for bonding in different areas. The tensile strength of the black steel wire varies from 330 to 450 N / mm_ depending on the raw material used.