LINKSOLAR Weatherproof ABS Solar Double Cable Entry Gland,Curved Cable Connector For All Cable Types 6mm² to 12mm² for Rv, Campervan, Boat (Type D, Black). Cable entry for all cable types 6mm² to 12mm². Surface-mounting with adjustable grommet & blanking plug. Easy to install with glue, Drill-free mounting. Waterproof, Lightweight, Durable, UV-resistant. Perfect for solar panels, other external devices.