Bird-X Slim Stainless Steel Spikes Fit Narrow Ledges to Keep Birds Off Repel birds from landing strips like narrow roof ledges, signs, sills and trusses. These are ST302 Hard Stainless Steel Slim Bird Spikes with a top width of 3 inches. The polycarbonate base is 0.8 Inches for easier installation of bird pest spikes. Each 10 Foot Length has five 2 Foot interlocking strips. These durable bird spikes are made from surgical grade stainless steel. 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. Three Sizes for Specific Needs Slim, Regular and Extra Wide. 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 4.3 Base Width 0.8 Top Width Widest Point Slim 3 Regular 5 Extra Wide 8 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 20-year warranty NOTE A This item ships from a separate warehouse and may require extra time for delivery.