... Barb spacing:75-150mm ISO 9001 galvanized barbed wire (manufacture)material: steel wire ,iron wire, ect.wire diameter: 3#-40#surface treatment: ... 100m, 20m, 10m ,ect2 strands,4 points.application: as protective fence in industry, agriculture, highway,railway,glass baundary, ... the detailed specifications or the drawing if you want our galvanized barbed wire. Any questions and inquiry are welcome.