... in protectimg grass boundary , railway, highway , etc. barb wire,IOWA type, with 2 strands, 4 points. Barbs' distance ... points. Barbs' distance 3-6 inches ( Tolerance +- 1/2" ).Galvanized Barb Wire offered by us is suitable for industry, agriculture, animal husbandry ... Barb Iron Wire:Core of PVC Coated Barbed Iron Wire can be galvanized iron wire or black annealed iron wire. We also offer barbed wire ...