Features:-It contains 20 sets of nails, total length 6 meters. Can be installed on air conditioners, patios, balconies, railings, beams, fence edges, etc. Can effectively prevent birds, sparrows, cats, raccoon and other animals.-It is composed of five parallel rows of plastic spikes, which are arranged very closely, and the longest spike can reach 3.7cm long. The tip of the plastic spike is slightly rounded, which can effectively stop small animals without hurting them.-Made of high-quality acrylic, it is waterproof, rust-proof, durable, can withstand all kinds of bad weather, and will not discolor, deform or break under long-term UV exposure.-With cutting point design, there is a preset holding point every 10cm, which can be installed flexibly, and yo.