Quality Material Our corrosion-resistant aluminum alloy bracket for mounting bracket is strong and lightweight, durable, not easy to bend, and can work well in high temperature, low temperature or humid environment. Practical Design The extra edge of the ventilated Z-bracket can well protect the solar panels and hold and support the panels well. Easy Installation Our Z-type solar panel bracket has pre-drilled mounting holes on the surface, and the mounting holes are equipped with screws, nuts and other tools, so you can easily install the solar panel on the mounting surface. Wide range of applications The unique design of the solar panel bracket is ideal for uneven surfaces. Therefore, this product is ideal for mounting solar panels on flat or curved roofs, boats, RVs and vehicles. Ideal Choice There are 4 sets of solar panel mounting brackets with nuts and bolts to provide better support for solar panels without burdening the roof. Suitable for mounting solar panels 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 bolts 4*Hex nuts 8*Screws.Items from Sheng Xinshun's shop