... 2.diameter:0.30mm-4.19mm 3.Steel Grade:Q195 Wire rod Black Annealed Wireit is also called Black Annealed Wire or oxygen ... -free Black Annealed Wire .It is used in making wire mesh, construction, decoration,handicrafts ... of fiberglass window screen, square wire mesh, concertina razor wire, barbed wire, welded wire mesh, hexagonal wire netting, chain link fence, ...