Daken Tape Rail Wood Post Insulators are designed specifically for Daken Tape Rail. They can be nailed or screwed to timber posts and have an enclosed tape support for high strength. They also come with a quantity of wedges for vibration reduction in high wind. It’s also made in Australia from High Density Polyethylene (HDPE) monofilament with high grade pigments and the maximum UV stabilizers. The same as what is used in the shade cloth industry.