General description Harmless bird deterrent spikes act as visual and physical barriers to prevent birds, pigeons, and other small animals from perching or inhabiting covered areas. These spikes are designed to be non-harmful to the animals while effectively keeping them away from ledges and other surfaces. Technical specifications Material: PC base + stainless steel Length: 50 cm Width: 2 cm Height from base to thorn: 11 cm Number of spikes: 20 steel needles with 40 thorns Package contents: 10 pcs per box Measurement allowed error: +/- 1-3 cm Installation Installation is straightforward: simply insert the spikes into the base holes and secure them using glue, screws, or zippers on most surfaces. Usage This bird spike kit is suitable for deterring various pest birds, including pigeons, sparrows, starlings, crows, blackbirds, seagulls, bats, and climbing animals. The spikes can be installed in multiple locations such as ledges, gutters, fences, chimneys, and mailboxes. Other information