Bird-X 100 Ft. Slim Stainless Steel Bird Spikes BirdX helps you repel birds without sonic electronic bird repellers or sprays! Keep bird droppings off landing strips like roof ledges, signs, sills and trusses. Install durable surgical grade stainless steel spikes that last for years and years. Top width of these slim bird spikes is 2.5 inches with a 3 inch coverage. The bottom polycarbonate base is 1.69 inches wide for easier mounting. Fifty 2 foot long interlocking bird spike strips make installation faster and easier. 10 year warranty from Bird-X. Flexible To Fit Your Situation Bendable base mounts flat, or on concave or convex curves. Install right side up, upside down or on any angle. Long Term and Environmentally Friendly Heavy duty stainless steel prongs with long-life polycarbonate base combine affordability and effectiveness. Easy to use Pre-assembled two-foot strips. Each strip with the next for a seamless fit. Strips snap to the inch for precise measurement and no wasted material. Attach with adhesive, nails, screws, wire or more. Bird Spike Specifications Material Spikes ST302 Hard Surgical Grade Stainless; resistant to virtually all weather and harsh environments. Base Polycarbonate with UV inhibitors. Length 2 ft. sections that snap together. Heights Highest Point 4 5/16 Base Width 1.69 inches wide Top Width Widest Point Slim 2.5 Diameter Hole in Base 0.156 Diameter. Polycarbonate Center Spike 0.125 Slim 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 This item ships from a separate warehouse and may require extra time for delivery.