Harmless bird spurs: Bird deterrent spurs, like visual and physical barriers, prevent animals from entering covered areas, can drive birds, pigeons and other small animals to inhabit or perch on ledges, but are not harmful to them . Easy to install: All you need to do is insert the spike into the base hole that can fill the area, and then use glue, screws or zippers to secure it on most surfaces. Suitable for a variety of animals: This kit can be used for a variety of pest birds, such as pigeons, sparrows, starlings, crows, blackbirds, seagulls, , bats, and even climbing animals. Multiple locations: Thanks to the flexible and base, bird-proof products can be fixed on ledges, gutters, fences, chimneys, mailboxes and any . Material: PC base + stainless steel Features: safe, effective, environmental protection, decoration the environment Uses: Protect buildings, food factories, pharmaceutical factories, hotels, restaurants and other places The product is 10 pcs/box, length 50CM, 20 steel