Rotational security spikes the most effective anti-climb wall solution on the market. They have been proven by experts to be the Ultimate Crime Barrier in South Africa which has one of the highest crime rates in the world. Perimeter security is crucial in preventing intruders climbing over the wall into your property. Rola spikes works well with or without electric fencing. These spikes are made from toughened glass fibre, polyamide reinforced and are UV stabilised, to last over 10 years. Internationally approved ISO/TS 16949 rated.