Concertina barbed wire is a kind of barbed wire, it is made of single strand wire and barbs. There are many small protrusions on the wire surface to prevent the barbs from sliding. Compared with double strand barbed wire, it has simple and light duty structure yet sharp and strengthen enough for border security of house, warehouse, factory, airport, prison, farm, highway, railway, power generation stations, even in emergence events or military activities and so on.
It is usually used as security fence on the top of the existing fences or solid walls, in ditches on roof of tops or by itself on the ground. Concertina barbed wire can be attached onto almost all kinds of wire mesh fencing, such as chain link fence, welded wire fence, palisade fence or expanded metal fence to achieve high level security.