Original Plastic Bird Spikes provide effective bird control. Effective against pigeons, starlings, sparrows and other pest birds. Made by Bird-X, the global leader in bird control Since 1964. Plastic Bird Spikes cover 10 in. Easily applied using silicone or permanent outdoor construction type glue. Ideal to stop birds from landing on window ledges, pipes, beams, gutters, chimneys, carports, signs, fences or anywhere birds land or roost. UV protected poly carbonate plastic lasts for years. Don't settle for imitation brands with very thin plastic material. Bird-X is the original Bird Spike brand. Ten 1 ft. Bird Spike sections per box. Protects an average 4 in. W surface. New, improved design and construction.