Bird X Stainless Steel Bird Spikes, 100 Ft. Regular, 5 Inch Top Width Stainless steel Bird-X anti-bird spikes repel birds from landing strips like roof ledges, signs, sills and trusses. Durable and flexible with bendable polycarbonate bird spike base. Mounts flat or on concave or convex curves. Install right side up, upside down or on any angle. Two-foot bird spike strips come preassembled no extra labor . Strips lock together for a seamless fit. Attach with adhesive, nails, screws, wire or more. Bird X Stainless Steel Bird Spike Specifications Material Spikes ST302 Hard Surgical Grade Stainless; resistant to virtually all weather and harsh environments. Base Polycarbonate with UV inhibitors. Total Length 100 ft. Section Length 2 foot sections that snap together. Height, Highest Point 4.3 Base Width 0.8 Top Width Widest Point Regular 5 Diameter Hole in Base 0.156 Diameter. Polycarbonate Center Spike 0.125 Regular Stainless Steel Bird Spike Features Most Effective Physical barriers like spikes are the most effective way to keep birds off Flexible Base Spikes can be installed on curved surfaces Installs Easily Nail, Glue, or Tie Long-Lasting Stainless steel won't corrode or decay. Bird-X Spikes can last a lifetime Continuous Operation repels birds 24/7 Maintenance-Free When installed properly, no ongoing maintenance is required Warranty Stainless Steel Bird Spikes are backed by a Bird-X special 10-year warranty NOTE ALL bird control methods are more effective when used together. Combine light and sound repellers, roost inhibitors and visual scare devices. NOTE ALL bird control methods are more effective when used together. Combine light and sound repellers, roost inhibitors and visual scare devices. This item ships from a separate warehouse and may require extra time for delivery.