Concertina Razor Coil is the perfect barrier for military and other sensitive areas. These are light in weight, hence, and can be stored in a compact condition. An ideal fence to improve security at homes, schools offices and factories, this is effective for any size of area. It is quite commonly used to secure prisons, as it almost impossible to breach or cut it without specialized equipment. This wire is specially made by using a central core of high tensile wire around which at tape of razor sharp barbs is machine crimped.