Bird Spikes are designed to deter pigeons, seagulls and other birds. Efficient fiber pattern provides effective coverage all the way to the depth. HEALTHY AND HYGIENE – Pigeon droppings have been shown to transmit more than 60 diseases, some of which are fatal. Flexible tips to accommodate curved installations. The spikes are also designed with snap points for easy snap in to accommodate different lengths. The 2ft Spikes Bird section has pre-drilled holes along the base and can be glued, bolted or attached to most surfaces. The glue bottle at the base of the tip allows for quick and easy application. The birds cannot land on the uneven surface created by the spikes and will move to a better position. The PlastKart Spike is an effective and humane solution to keep birds out of unwanted areas. Bird spikes are effective against pigeons, crows, gulls, vultures, raptors and more. Bird Spikes are designed to deter pigeons, seagulls and other birds. Efficient fiber pattern provides effective coverage all the way to the depth.