Scanstrut DSLPMULTIS Low Profile Multi Cable Seal, 316 Stainless Steel, fits 15mm cable

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.