traditional twisted barbed wire 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. gauge of strand and barb in b.w.g. approximate length per kilo in meter barbs spacing 3" barbs spacing 4" barbs spacing 5" barbs spacing 6" 12x12 6.0617 6.7590 7.2700 7.6376 12x14 7.3335 7.9051 8.3015 8.5741 12-1/2x12-1/2 6.9223 7.7190 8.3022 8.7221 12-1/2x14 8.1096 8.814 9.2242 9.5620 13x13 7.9808 8.899 9.5721 10.0553 13x14 8.8448 9.6899 10.2923 10.7146 13-1/2x14 9.6079 10.6134 11.4705 11.8553 14x14 10.4569 11.6590 12.5423 13.1752 14-1/2x14-1/2 11.9875 13.3671 14.3781 15.1034 15x15 13.8927 15.4942 16.6666 17.5070 15-1/2x15-1/2 15.3491 17.1144 18.4060 19.3386