Effective Dove Repeller: Thanks to the 4-row pick-up, it can effectively resist birds. The balcony dove deterrent can also be placed on the window sill, beam, awning and skylight. The bird deterrent device is 22 cm long: the tip of the repellent against Birds measures 13cm at its widest point, providing protection up to 22cm. Bird repellent with a total length of 300cm: The set consists of 6 elements and the length is 50 cm. Easy to install the anti-bird needle: the anti-bird needle can be fixed with nails, screws or glue. Thanks to the click closure at the end, the individual elements can be connected to each other without tools. Rust-proof and anti-pigeon pig: The pigeon pick is made of stainless steel. The bottom plate is made of transparent polycarbonate and is UV-resistant. Effective protection from pigeons and other unwanted guests has never been so easy and effective! Thanks to the special 4-row design and the width of about 22cm protection, our spikes can provide more effective protection. Tips can be connected by clicking on the system. Predetermined breaking points are fused every 5 cm while ensuring the necessary flexibility for fixing. The field of application is not restricted: the flexible base plate is made of flexible and UV-resistant polycarbonate, and the tip is stainless steel. Put insect repellent on windowsills, balconies, awnings, garages and even lamps. Thanks to the pre-drilling, the tip can be immediately fixed with nails, screws or cable ties.