Keep your spaces bird-free and safeguard your property with this 20pcs anti-bird spike kit. Made with 20 sets of 50cm PC bases and 400 stainless steel V-shaped spikes, our bird control kit provides comprehensive four-row protection for maximum effectiveness. Designed as a maintenance-free deterrent, it ensures long-lasting performance without upkeep. The bird repellent set is environmentally friendly, safe, and humane, making it an ideal solution for deterring unwanted pests without causing harm. Boasting fast and easy installation, this pest control spike kit offers flexible installation on various surfaces and structures, such as roofs, walls, fences, and other irregular surfaces, effectively preventing sparrows, pigeons, gulls, vultures, and raptors from landing and nesting.