Rings are a strong deterrent and very flexible and cost effective. Because they are in-line with the fence or gate they do not need extra considerations around space.Ideal usages of Rings include the top of gates, or bottom of security fencing. Both applications act as an additional deterrent to unlawful entry.
Coils stretch out to cover 15 linear meters and take more consideration around fence design because they project out from the line of the fence. Coils can be used atop security fencing or other fixed structures. This adds a significant visual and physical barrier to entry.
Concertina offers the highest security deterrent available. The clipping of the tape every 270 deg turn it into a multi-directional razor spring! A concertina will stretch out to 7.5 linear meters. Made from precision steel, and featuring double clipped rings Concertina is durable and extremely difficult to defeat.