High quality: Made of sturdy industrial grade ABS plastic, with ultra strong UV resistance, moisture resistance and drop resistance, it can also maintain maximum durability in extreme weather conditions< p>Specifications: cable gland diameter from 6mm to 12mm, waterproof IP68Wide application: widely used in RV roof solar module installation, module installation solar panels on yacht decks and the installation of flat roof photovoltaic racks.Easy installation: no need to drill holes on the roof or deck of the camper during installation. It is installed with glue, which is safe, beautiful and easy to disassembleExcellent waterproof: ultra-high waterproof level, IP68 waterproof, the design of the silicone sealing ring waterproof increases water resistance and has strong corrosion resistance. It can be used for a long time without deformation or yellowing.