When you need to get serious about security, Concertina Razor Wire is the best solution. It is relatively inexpensive, but viciously effective. Concertina razor Wire around the perimeter is enough to deter any wouldbe vandal, robber or saboteur. Razor Wire is made of a corrosion resistant galvanized steel cutting ribbon wrapped around a core of galvanized spring steel wire. It's impossible to cut without highly specialized tools, and even then it's a slow, dangerous job. Concertina Razor Wire is a long lasting and very effective barrier, known and trusted by security professionals.