Features: 1. High strength aluminum alloy, anodized surface, corrosion resistant, durable. 2. Z-shaped design, easy to install, saving time and effort. 3. Suitable for most RV, home and boat solar panel installations. 4. It is suitable for 35mm solar panels with frame. Specifications: Material: Aluminum 35 Size: Approx.40x35mm/1.57x1.38inch Package Includes: 12 Solar Panel Mounting Hardware Note: Due to manual measurement, please allow 1-2cm error. Please make sure you do not mind before placing an order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Note: The data is all measured manually, please allow an error of 1-3cm. Due to the difference in light and display, there may be a certain color difference. The actual object received shall prevail.