LINKSOLAR Weatherproof ABS Solar Double Cable Entry Gland,Curved Cable Connector For All Cable Types 6mm&sup2; to 12mm&sup2; for Rv, Campervan, Boat (Type D, White) Cable entry for all cable types 6mm to 12mm 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