... grass boundary, railway, highway, etc. the features for barbed wire:1. Wire Materials: Galvanized steel wire, PVC coated iron wire2. in blue, green, yellow ... and other colors. 3. General Use: Barbed wire mainly serves in protecting of grass boundary, railway, highway, etc ... SWG)Barb Distance (cm)Barb Length (cm)Electric Galvanized Barbed Wire; Hot-dip zinc plating barbed wire10# x 12#7.5 ...