... , highway Barbed WireMaterial: black steel wire, electro galvanized wire, hot dipped galvanized, PVC coated wire, middlle steel wire, high carbon steel wire, stainless steel wire.Wire diameter: 1.6mm-4.5mm ... .Barbed wire types:(1)Single Twisted Barbed Wire(2)Traditional Twisted Barbed Wire(3)Double Twisted Barbed Wire(4)Galvanized Barbed Iron Wire(5)PVC ...