KNS Accessories KA0024 Black 12V Duolamp Tail Light for Ford Model A with Red Glass Lens OEM standard quality reproduction with a modern touch of the classic Model A tail light with license light in 12 Volt Black powder coated steel housing with "Duolamp" stamp and red thick sturdy glass lens Features stop and tail functions A favorite choice for custom projects Size: 3-3/4" diameter x 2-1/4" deep; 5/8" long stud; 2 studs as the ground and 2 wires for power; Sold by each