Our corrosion-resistant aluminum alloy bracket is made of high-quality materials and is used for bracket installation. It is sturdy, lightweight, durable, and not easily bent, and can work well in high, low, or humid environments. The additional edge of the practical design ventilation Z-shaped bracket can effectively protect the solar panel and fix and support it well. Easy to install, our Z-shaped solar panel bracket has pre drilled mounting holes on the surface, which come with screws, nuts, and other tools, so you can easily install the solar panel on the mounting surface. The unique design of the solar panel bracket with a wide range of applications is very suitable for uneven surfaces. Therefore, this product is highly suitable for installing solar panels on flat or curved roofs, boats, RVs, and vehicles. The ideal choice is to have 4 sets of solar panel installation brackets with nuts and bolts, which can provide better support for solar panels without increasing the burden on the roof. Suitable for installing solar panels ranging from 50W to 150W. Material: Aluminum alloy Color: Silver Suitable for: connecting panels to RVs, trailers, boats, recreational vehicles, or yachts. Packing list: 4 * solar panel Z bracket 4 * short bolt 4 * hex nut 8 * screw.