MM2001-5/20 5" X 20' STAINLESS STEEL BIRD SPIKESStainless Steel Bird Spikes. The 20ft Kit comes in 1 foot strips so you can choose by the linear feet you need to protect. Use on your buildings and structures to keep pest birds from landing and roosting. Brand Name: Bird B Gone Product Type: Bird Repelling Spikes Bird Type: Assorted Species Number in Package: 20 pk Coverage Area: 20 linear ft Packaging Type: Boxed Height: 5 in.