Our Rola Spikes, proven by experts to be the most effective deterrent to intruders, are also pleasing to look at and do not detract from the appearance of a property. The sharp nylon toughened rotating spikes cannot rust, Our spikes are made to last to minimize UV damage and degradation for over a 10 year period. The spikes are manufactured from tough glass fibre - reinforced polyamide that has been UV stabilized. The same compound is used to manufacture the tough exterior parts of motor vehicles and trucks. As a result unlike other wall spikes , these cannot be tampered with.