The Invincible Marine BR51272 2-Pin Base for Stern Light Poles features a sliding cover to protect the contact and socket from moisture and debris while the pole is stowed away, not in use. The low-profile base is made for 2-pin stern lights, and features a high-impact stern construction. The nickel plated contacts are coated in rubber and retard rust and corrosion. Be certain that your stern-lights are secure and outfitted for adverse conditions by installing the 2-pin base for stern-light poles. Whether you"re outfitting your boat with lights for the first time, or preparing for the upcoming season, this 2-pin base is an essential accessory for your boating needs. Precision and reliability are the marks of quality that this product has proven time and time again, providing a durable base for stern light-poles. The Invincible Marine BR51272 2-Pin Base comes with a 1-year limited warranty and protects against manufacturing and workmanship defects. Rugged, tough and reliable, Invincible Marine is well-known for their hardworking nautical line. For freshwater and saltwater boating, Invincible Marine designs products for avid fishermen and weekend boaters. Quality, utility and innovation go into every Invincible Marine product giving you more time on the water.