Razor Barbed Wire Material: Stainless steel,hot dipped galvanized Model: BTO-12,BTO-15,BTO-22,BTO-30,CBT-60,CBT65 Coil Diameter: from 450mm to 980mm outside diamer We are leading supplier of metal wire,barbed wire,razor barbed wire, hexagonal wire mesh etc. Features for razor tape barbed wire: Concertina barbed wire also named razor barbed tape wire is a new type of security and insulate product. It has characteristics of good looking, safety protective effect. It is mainly used in landscape apartments, construction and prisons protection. We can also offer the products according to customer's special request.