nless Steel. The loops are normally not clipped together in concertina fashion. This allows the razor wire coil to be installed in any distance between loops, depending on the security desired, the most common being 18 or 450mm.
Razor wire ribbon is a kind of galvanized steel wire tape, with two-sided blades with symmetrical arrangement. The galvanized steel wire diameter is of 2.5 millimeters, reinforced to 5mm in diameter. The most imporant feature of razor concertina wire is that its construc