The LED fold down anchor/Masthead navigation light 7836-S-1 has a stainless steel base for horizontal mounting. All Attwood all-round fold-down navigation lights include a new durable, easy-to-use, easy-to-install lightarmortm fold-down base. It provides 2-Mile, 360 degree, illumination for boats up to 20meters/65.6 feet long. Attwood Corporation has been an award-winning leader in engineering, testing, and manufacturing the highest quality marine products for over 100 years. We deliver safe and reliable lighting, fuel systems, water systems, seating & pedestals, swim ladders, custom upholstery, and general marine accessories that are easy to install and meet regulatory compliance.