Pole Dimensions: 42″ L x 3/4″ Dia. Black polymer top and collar with clear fluted lens with anodized aluminum tube. Pole rake: Adjustable. Locking and threaded collar. Stow-a-way plug-in pole. Reduced glare design. Gold plated contacts. 2 mile visibility. Use on power driven vessels under 20 meters in length. 3/4″ diameter anodized aluminum tube. Requires 2-pin mounting base. 12 volt. 1.5 watts. Locking collar fits: 536384 (1045 P00 DP), 1046 P00 DP, 536411 (1047 P00 DP), 536485 (1059 P00 DP), and 536500 (1060 PB0 DP). Threaded collar fits: 536435 (1048 P00 DP).