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 MeterBarbs Spacing 3"Barbs Spacing 4"Barbs Spacing 5"Barbs Spacing 6"12x126.06176.75907.27007.637612x147.33357.90518.30158.574112-1/2x12-1/26.92237.71908.30228.722112-1/2x148.10968.8149.22429.562013x137.98088.8999.572110.055313x148.84489.689910.292310.714613-1/2x149.607910.613411.470511.855314x1410.456911.659012.542313.175214-1/2x14-1/211.987513.367114.378115.103415x1513.892715.494216.666617.5070