100 Feet of Narrow, Transparent, Durable Polycarbonate Bird-X Spikes Install nearly invisible, flexible narrow polycarbonate bird spikes to get rid of pest birds from roof ledges, windowsills, signs, trusses, beams and more. 100 one foot needle strips of narrow bird spikes that are easily installed. Roost inhibitor has a Top Width 2.25 Inches. Height 4.3 Inches. Polycarbonate Base .5 Inches. Use these bird spikes to repel birds from ledges 2 inches deep or less. Why Bird-X Bird Spikes Work So Well TOUGH Long-lasting polycarbonate provides decades of maintenance-free protection. TRANSPARENT Does the job without marring the look of your property. It's practically invisible. DENSE Top branches protrude from the vertical shafts to give impenetrable coverage. No need to double up. FLEXIBLE Mounts easily on flat, curved or irregular surfaces whether wood, metal or masonry. EASY TO INSTALL Stackable 12 sections attach quickly with Bird-X Bird Spikes special adhesive, nails, screws, or wire ties. ENVIRONMENTALLY FRIENDLY AND NON-LETHAL Nothing to rust or deteriorate. ECONOMICAL Sturdy plastic does the same job as stainless steel at a fraction of the cost. One-foot modules minimize waste. GREAT WORKING PARTNER Using combinations of visual scare, sonic and roost inhibitors have proven more effective than any single product. For most applications. Spikes are 4.3 high x 2.25 wide at the top with .5 mounting base . Note You are buying 100 feet of narrow polycarbonate bird spikes in one foot modules. Also available in 10 foot, 25 foot and 50 foot lengths. If you need wider bird spikes, choose the standard spikes that are 4.5 inches tall by 4.5 inches wide. NOTE ALL bird control methods prove more effective when different types of scare devices are used in combination. Products include light and sound repellers, roost inhibitors and visual scare devices. This item ships from a separate warehouse and may require extra time for delivery.