Pole Dimensions: 12″ L x 3/4″ Diameter | Pole Rake: 0� Black polymer top and locking collar and anodized aluminum tube. Gold plated contacts. 1 mile visibility. Use on sail or power driven vessels under 12 meters in length. #71 12 volt bulb included. 10 watts. Requires 2-pin mounting base. Must order base separately. Compatible base: 536384 (1045P0SDP).