... steel wire 4.Diam:4.5mm BWG 7 black annealed wire are one of our main products, since here is more than 20 ... excellent flexibility and softness.Application: Binding of construction,communication devices, medical treatment equipment, weaving of wire mesh, making of brushes, ... to customer's requirement .black annealed wire 4.5mm produce as follow picture: Wire Gauge SWG(mm)BWG in mmMM8#4.064.194 ...