barbed wire 1.Galvanized wire, PVC coated iron wire 2.Diameter of inner wire:2.5mm etc 3.Double and single twist 4.wire barbed wire The specification is ... :12 X12,13 X 13 etcmaterial:selected quality low cabon steel wire,electro-galvanized wire,hot-dipped galvanized wire etc color :blue,green,yellow etcused ...