Effective pre-defence for balcony etc: With the BEMS pigeon spikes you effectively prevent birds, such as pigeons and swallows from landing on beams, canopies or window sills Ciao, adios bird droppings Premium bird spikes for sustainable use: Robust, rust-proof and weather resistant the pigeon repellent spikes made of stainless steel and transparent polycarbonate are your strong pigeon and sparrow repellent; only the best quality we plan for you in the long term.Easy to adjust bird repellent spikes: Experience maximum flexibility with the 12 individual rails (length 25 cm, 3 m total) of bird repellent spikes. Plus: equipped with predetermined breaking points, they can be shortened.Bird protection quickly assembled: The pigeon deterrent spikes (up to 13 cm wide and 11 cm high) are attached in no time at all simply choose nails, screws, cable ties or mounting adhesive; the individual rails can be easily connected to each other thanks to the click closure.Repels pigeons and other bird species: The BEMS pigeon wire is not only effective on pigeons, but you can also drive away other birds, such as swallows and sparrows all within the applicable animal welfare laws.