The Ozark Trail Marine Stow-Away Plug-in Light Base is a durable, corrosion-resistant mount for your 2-pin navigation pole lights. Designed for night-time boating, it features a sleek slide-cover to protect the socket when not in use. Measuring 4" x 1 5/8", it installs with a 1 3/8" hole. The rust-resistant Zamak finish ensures long-lasting performance, making this base an essential marine accessory for safe, stylish boat lighting.