Barbed wire Wire Materials: Galvanized steel wire, PVC coated iron wire in blue, green, yellow and other colors. IOWA type barbed wire in quality steel wire. 2 strands, 4 points, barbs' distance is 3-6 inches ( with a tolerance +/- 1/2" ) Galvanized Barbed Iron Wire is suitable for fences in industry, agriculture, animal husbandry, dwelling house, plantation and other places. Packing: in coils