... , highway and other protective isolations. Galvanized Barbed Wire1.feature:1) Black annealed iron wire 2) Electro galvanized iron wire 3) Hot-dip galvanized iron wire2.Gauge ... ,12x14,12-1/2x14, 13x13,13x14,13-1/2x14, 14x14,14-1/2x14-1/2, 15x15,15-1/2x15-1/23.Barb Spacing: 3" , 4" , 5" , 6" barbed wire mesh(factory)