black twisted wire Dia:0.5-2.11mm Packing: inside plastic film outside hessian or woven bag Type:2,3,4,5,6 or 7wire black twisted wire1 Twisted wire made of iron steel material Q1952.Black annealed, Electro galv and hot dipped galv3.Type:2,3,4,5,6 or 7wire black twisted wire