The KING Coax Cable Entry Cover provides a weatherproof, watertight seal where your satellite TV antenna coax penetrates the roof of your recreational vehicle. When installed using a quality roof-compatible sealant, you can enjoy years of trouble-free and leak-free performance. Constructed from sturdy, rust-resistant, UV stable, automotive-grade plastic, the KING Coax Cable Entry Cover is designed for strength and durability, offering the perfect solution for long-term, outdoor use. The cover is compatible with all KING satellite antennas.