1, black annealed and soft quality 2, in coil or cutting straight wire 3, factory price 4, fast delivery ... as customer's requirements)Surface treatment: oiled or notPacking: each coil to be wrapped with plastic film inside and then hessian ... black wire, high toughness, uniform softness, consistent colorUse: mainly used in construction, mining, chemical, welding mesh, welded hangers, and re-processing ...