An effective, low cost deterrent against unwanted intruders. Tip Top Fence and wall Spikes offer a cheap and easy way to deter burglars and other unwelcome visitors from your garden, driveway or flat roof, etc, - without the risk of getting yourself prosecuted. The Tip Top Fence and Wall Spikes is designed to cause the maximum discomfort, with minimum harm as opposed to barb wire etc - Helps prevent intruders getting access - Safety product - it will not cause serious injury to anyone coming into contact with it but it certainly discourages climbing - Can be fixed side by side to provide a wider anti-climb barrier around the edge of flat roofs or on top of wide walls - Prevent birds from nesting on your flat roof Each Strip size (450mm x 50mm)