Concertina single razor wires is also is a common type of the concertina wire. It general runs in natural loops on fences or walls . We can provide different specifications for customers.Concertina single razor wires Materials: Low carbon steel wire, galvanized wire, iron wire, galvanized steel sheets, stainless steel sheets.The razor wire Features: * Aesthetic appearance* Protective excellent performance* Costless and easily install* High tensile strength* Good flexibility* Uniform layer of zinc* Corrosion-resistant