Wire Materials: Galvanized steel wire, PVC coated iron wire in blue, green, yellow and other colors. General Use: Barbed wire mainly used in protecting of grass boundary, railway, highway, wine, prison, etc. Type Wire Gauge (SWG) Barb Distance (cm) Barb Length (cm) Electric Galvanized Barbed Wire; Hot-dip zinc plating barbed wire 10# x 12# 7.5-15 1.5-3 12# x 12# 12# x 14# 14# x 14# 14# x 16# 16# x ...