【Solar panel bracket set】: The package contains 4 solar panel brackets, 8 M542.5 self-tapping screws and 6 M625 hex screws, the quantity is enough to meet your daily needs. Widely used for outdoor solar panel bracket. 【Durable aluminum alloy material】: The z-mount bracket is made of high quality aluminum alloy, which is sturdy and durable, with high strength and long service life. It has the characteristics of rustproof, corrosion resistance and UV resistance, and can be used in hot, cold or humid weather. 【Convenient Z-shaped design】: The Z-shaped design of the solar panel mounts is convenient and ventilated, with extra edges, which can protect the solar panel battery well, and also can fit the solar panel tightly and better support the panels. 【Easy to install】: The surface of the solar panels support adopts pre-drilled design, easy to install and disassemble. It can be easily installed with the attached bolts and screws without any other tools. It is suitable for installing