CORROSION RESISTANT ALUMINUM ALLOY: Made of excellent aluminum alloy material, possess high strength, corrosion resistance, UV resistance, insulation performance, will not be affected by hot, cold or humid weather EASY INSTALLATION: The solar panel Z bracket mounting kit allows you to easily mount your solar panels to your recreational vehicle (RV), boat, cabin or anywhere else where a simple and reliable method of mounting your solar panels is required SUITABLE FOR ROOFS: This product is a good choice for flat or curved roofs as a flat mounting system. Compatible with all roof types and solar modules WITH FITTINGS: Equipped with screws, bolt, gaskets, washers, nuts, easy for you to install, complete accessories guarantees convenient operation SAFER AND MORE PRACTICAL: The Solar Panel bracket is lightweight and compact, thin but very solid. The ventilated Z shape with extra edge is exactly what you need to protect the solar panel battery