barbed wire ISO9001 galvanized/pvc coated protect grass boundary,railway,highway barb distance:7.5--15 barb length:1.5--3cm Wire Materials: Galvanized steel wire, PVC coated iron wire in blue, green, yellow and other colors.General Use: Barbed wire mainly serves in protecting of grass boundary, railway, highway, etc.Electric Galvanized Barbed Wire; Hot-dip zinc plating barbed wire