The barbs rips and the hook grabs unlike the prick of standard barbed wire. The coil wire is hardened steel of 780 kg. of breaking strain and thus cannot be cut with standard tools. The spring steel also ensures that the coil holds its space. The wire provides light barrier and is thus easy to ship, transport and deploy. Less guard is required to mass establishments where concertina is installed. Electronic surveillance systems can also be installed along with PTC to ensure further security for very large areas. Concertina follows ground contours and can be rapidly installed without posts or straining wire in pyramid formation.e.
