... from scaling fences, walls, roof's & gates.Wall Spike which can be rapidly installed to existing structures can maximise ... hot-dipped galvanized and electro galvanized, or PVC coated.Wall Spike Ideal for protecting Low Roofs, Walls, Fence Toppings, Schools ... , Medical Centers and Public BuildingsWall Spike Feature:1 follows contours of wall2 neat appearance3 easy to ...