Features 1、MINI LENGTH: The 300mm length guide rail can be compatible with all kinds of solar panels, and is suitable for all kinds of color steel tile roofs. 2、ALUMINUM ALLOY: The bracket is made of aluminum alloy with anodized surface, which has high corrosion resistance and high strength. 3、EASY INSTALLATION: All you need to do is install the solar panel bracket at the target location, saving you time and effort. 4、FIRMLY CONNECTION: These solar panel kits are designed to attach panels to rails and create a strong connection between panels. 5、WIDE APPLICATION: Solar panel mounts are suitable for most solar panel installations in RVs, houses and boats, and you can mount solar panels on flat and pitched roofs. Specification Item Type: Solar Panel Bracket Kit Material: Aluminum alloy Length: Approx. 300mm / 11.8in Package List 4 x Solar Panel Bracket 16 x Rubber Washer 16 x Screw 4 x Fixed Block