【Anti-pigeon balcony】: Compared with other anti-pigeon plastic nails, our anti-pigeon nails have added small thorns between the long thorns, which can effectively prevent birds such as pigeons and swallows from landing on beams, awnings or window sills and building their nest. and leave behind disgusting guano! 【High quality and durability】: The tip and base of the pigeon deterrent nails are made of high quality plastic. Insensitive to extreme weather conditions such as rain, snow and high temperatures, it is UV resistant and has a long service life. 【Easy installation】: There are a number of pre-assembled holes on the bottom of the anti-pigeon nail, which can be fixed with screws, or fixed with cables or double-sided tape on the surface of the balcony anti-bird for easy movement. You can adjust the distance of the bird nets as needed to prevent birds from settling or nesting. 【Effective bird repellent】: If you use anti-bird spikes, it can effectively prevent your balcony or gutters