Black Annealed Twisted wire Size: 2 thread, 5 threads,6 threads and so on. Diameter: 1.2mm,1.6mm normal Black Annealed Twisted wireSize: 2 thread, 5 threads,6 threads and so on.Diameter: 1.2mm,1.6mm normal Packing:4.8kgs/coil and 5 coils/bundle Black Annealed Twisted wire