Concertina Razor Wire, also called Razor Wire. As an effective and economical security barrier, using galvanized steel blade to wrap around a galvanized core wire. With its high secu rity funct ion, Skyhall Concertina Razor Wire can prevent most of the intrusions for it is hard and dangerous to broke in. With the Concertina Razor Wire on the top of other fences , it can greatly improve the safety factor. One of the important features is the low cost. It is popular in the African market, it is also a hot-sale product most countries and areas.