【High quality material, durable】The short rail and clamps are made of aluminum, light weight and easy to use. Stainless steel screws have the advantages of rust and corrosion resistance. And the rubber mat made of EPDM material has good waterproof performance. Suitable for various outdoor environments 【Easy Installation】The four-way five-hole mounting rail is designed to secure the solar panels to a flat roof and create a strong connection between the panels. A full set of accessories is included to simplify installation and save time 【Widely used】 The solar panel aluminum bracket mounting system is used to install universal trapezoidal metal panels, tin roofs, and flat roofs. It can be installed on home roofs, yachts, boats, RVs, trailers, industries, houses, tin sheds and various other places - By connecting the solar panel and fixing it to the track, ensure that the modules are installed in the correct position and orientation - Material: Aluminium alloy 6005-T5; corrosion resistance, anodised treat ment, Weight: 2.3809924296 Pounds, Manufacturer: ALCXAZS