Base for 1124 Light

For use on sail or power driven vessels under 20 meters (65.6 ft.) in length. 3-mile visibility. Black plastic and chrome plated zinc alloy top, and chrome plated zinc alloy mounting bracket with waterproof cover. Stowaway plug-in type with 3/4in. diameter anodized aluminum tube. Plastic adapters for flat or V type 45deg. windshields. Clear lenses. 12V bulbs included. Screw size is 8.