... protecting of grass boundary, railway, highway, etc3) SpecificationType: electro galvanized,hot dipped galvanizedPVC/PE coatingWire diameter: 10#x12#, 12#x12#, 12 ... -4.0mmBarb distance: 7.5-15cmBarb length: 1.5-3cm HOT!!! High quality of Barbed Wire(factory)