【Versatile Solar Panel Mounting】: Designed for easy installation, these solar panel roof corner mounts are compatible for any rectangular aluminum framed solar panels, making them ideal for RVs, yachts, motor vehicles, boats, and rooftops 【No Drilling Required】: The innovative design eliminates the need for drilling holes during installation, ensuring a hassle free setup while maintaining the integrity of your vehicle or structure 【Optimal Performance】: By supporting the solar panels at their optimal height with bottom aeration, these mounts help maximize the efficient of your solar panels 【Material】: Constructed from pp, these mounts are built to withstand harsh weather conditions and provide long term durability 【Complete Set for Easy Installation】: The package includes a set mounts, allowing you to quickly and easily install your solar panels in just minutes Size Chart:Corner 15cmx15cmx6cm/5.91inchx5.91inchx2.36inch, Two hole junction box 10.8cmx10cm/4.25inchx3.94inch Package Includes: 4 Black Corners 1 Black Double Hole Junction Box Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.