High quality: Made of sturdy industrial grade ABS plastic, with extremely strong UV resistance, moisture resistance and drop resistance, it can maintain maximum durability even in extreme weather conditions < p>Specifications: Cable gland diameter from 6mm to 12mm, waterproof IP68 Wide application: widely used in RV roof solar panel installation, yacht deck solar panel module installation and flat roof photovoltaic rack installation. Easy installation: No need to drill holes in the RV roof or deck during installation. It is installed with adhesive, which is safe, beautiful and easy to disassemble. Excellent waterproof performance: Ultra-high waterproof performance, IP68 waterproof, the design of the waterproof silicone sealing ring increases water resistance and has strong corrosion resistance. It can be used for a long time without deformation or yellowing. Usage Widely used in the installation of solar cell modules on the roof of RVs, the installation of solar modules on yacht decks