Anti-pigeon balcony: Compared with other anti-dove plastic nails, our anti-pigeon nails added small thorns between the long thorns, effectively preventing birds such as pigeons and swallows from flying. to land on beams, awnings or window sills and build their nest. and leave disgusting guano High quality and durability: The tip and base of anti-pigeon nails are made of high quality plastic. Unaffected by extreme weather conditions such as rain, snow and high temperatures, it is UV resistant and has a long service life. Easy Installation: There is a row of pre-drilled holes at the bottom of the anti-pigeon nail, which can be fixed with screws, or can be fixed with cables or double-sided tape on the surface of the balcony anti-bird to easy movement. You can adjust the spacing of bird nets as needed to prevent birds from roosting or nesting. Effective bird repellent: If you use bird thorns, it can prevent effectively your balcony or gutters from being invaded by other windows, roofs, gutters and other birds. It can also be used as a cat balcony guard to scare your cat and prevent it from walking. [Package Contents]: 20 pieces of pigeon repellent, the pigeon nail is 30cm long, the plastic pointed nail is 3.6cm high, and the total length is 6 meters. Each dovecote has 3 pre-determined breaking points for flexible defense against pigeons and sparrows.