Perko's Removable Bi-Color Pole/Utility Light is certified for use on power driven vessels under 20 meters in length. The 1421 Removable Bi-Color Pole/Utility Light model features a 17-1/4" length, black polymer top and collar, 0 degree pole rake, 3/4" anodized aluminum tube, one locking collar, 12 volt bulb and deck illuminating utility light. This light requires a 3-pin mounting base and is easy to install and remove.