Replacement Boat Parts White Oblong Courtesy Light White Oblong Courtesy Light Recessed mount courtesy light has been used on thousands of boats over the years Very flush and has a white trim ring with a clear lens. Mounting screws (not included) are covered by the lens Dimensions: Overall flange OD - 3-7/8" wide x 2-3/8" tall. Mounting hole - 1-3/8" x 1-3/8" deep Installation is easy with 1 white (negative) and 1 black (positive) wire.