... thickness: 0.4-0.6mm barb distance: 7.5-15 barb length:1.5-3 ISO9001-2001 Barbed wire1) Wire Materials: Galvanized ... protecting of grass boundary, railway, highway, etc3) SpecificationType: electro galvanized,hot dipped galvanizedPVC/PE coatingWire diameter: 10#x12#, 12#x12#, 12 ... -3.5mm; after coating: 1.4-4.0mmBarb distance: 7.5-15cmBarb length: 1.5-3cm HOT!!! High quality of Barbed Wire(factory)