Perko 1124DP099A Base Only 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 3/4" diameter anodized aluminum tube. Plastic adapters for flat or "V" type 45A windshields. Clear lenses. 12V bulbs included. Screw size is 8.