Designed for multiple cables up to 15mm (0.59")Guarantees a 100% watertight IP68 installation. Featuring captive nuts to simplify assembly and allow for reliable repeat installations. Each unit is supplied with a blank bung, allowing you to custom drill holes to match your cable requirements.No messy sealant, ensuring a tidy finish, Perfect for solar panels, light bars, rooftop electronics, and more.Each cable seal is installed by using a hole saw keeping seal technology below the mounting surface.