Description： --Material: Made of high-quality aluminum alloy material, lightweight, high load-bearing capacity, strong corrosion resistance, suitable for all environments --Wide application: the solar panel installation kit is applicable to the installation of most solar panels, such as Flat roof, car shed, garage, wall, floor, ship, etc --Easy installation: The solar panel installation kit is easy to install, saving time and labor costs --Waterproof rubber pad: The bracket is installed with a waterproof rubber pad between the roof and the guide rail to prevent the solar panel bracket from sliding and reduce roof leakage --U-shaped guide rail design: The guide rail is U-shaped and can be installed horizontally and vertically, making the direction of the guide rail more in line with your requirements 1 Unit Set Package include： 1x Rail 3x Screws 3x Rubber pads