... Material:black iron wire,galvanized wire et. 2.Use:Used in protection in the road high way,playground,yead etc Welded ... strong structure, stainless, nice looking, wearable.4.Use: mainly used in protection in the road high way,playground,yead etc.5.Specification ... , filtration precision good, load with high strength. USES: used in highway, railway, airport, residential quarters, ports, breeding, animal ...