Bird-X 24 Ft of Slim Spikes in Two Ft. Pieces for Short or Narrow Window Ledges For short narrow window ledges, use 24 inches of bird spikes at a time to get rid of pest birds. Keep ledges, signs, sills and trusses free from pest birds. Birds won't use landing strips with bird spikes! These ST302 Hard Stainless Steel Slim Bird Spikes have a coverage of 3 Inches. The polycarbonate base is 1.69 . This is a 24 Foot Length Twelve 2 Foot Interlocking Strips . Durable slim bird spikes are made from surgical grade stainless steel. Base Polycarbonate with UV inhibitors. Bendable Base. Glue, nail or tie to surface. Three spikes. Narrow Spikes Width 2.5? 3? coverage Height 4.3 Base width 1.69 This item ships from a separate warehouse and may require extra time for delivery.