Light Stern 12v Chrome 

For use a replacement only on sail or power driven vessels under 20 meters (65.6 ft.) in length. 2-mile visibility. Chrome plated zinc alloy with black plastic base. Clear lens. 12V bulb included. Vertical mount. Screw size is 4.

Housing: Chrome, Size: 3-3/4" L x 1-1/2" W x 7/8" H "

Sold: Each