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 Specifications: cable gland diameter from 6mm to 12mm, waterproof IP68 Wide application: widely used in the installation of solar modules on the roof of motorhomes, the installation of modules solar panels on yacht decks and the installation of flat roof photovoltaic mounts. Easy Installation: No need to drill holes on the RV roof or deck during installation. It is installed with glue, which is safe, beautiful and easy to disassemble Excellent waterproof: ultra-high waterproof level, IP68 waterproof, the silicone sealing ring design waterproof increases water resistance and has strong corrosion resistance. It can be used for a long time without deformation or yellowing.