1.concertina razor barbed wire 2.Zinc coating:200g/m2 3.Type:BTO-22,BTO- ... 5. Sing coil Hot Dipped Concertina Razor Barbed wire1. Razor wire Materials: Galvanized steel wire or stainless steel , PVC coated iron wire in blue, green, yellow and ... over the world, normally used together with barbed wire above chain link fence, welded mesh fence, razor mesh fence, or etc. for defence ...