... borders, railways and highways, such as protective isolation. barbed wire is appllied to industry, agriculture , the military closed, ... animal husbandry, highway, forestry protection, construction fencingSpecification:Barbed Wire SpecificationTypeWire Gauge (SWG)Barb Distance (cm)Barb Length (cm ... # x 16#16# x 18#PVC coated barbed wire; PE barbed wirebefore coatingafter coating7.5-151.5-31.0mm ...