SeaLux Marine Boat 30 degree SS Rod holder, flange 3-1/2"x 4-1/2", Flush Mount, open drain with pad, black liner and cap SeaLux 30 degree flush mount Rod Holders (2 pieces) Mirror Polish finish on Flange, 3-1/2" x 4-9/16", make sure you select the correct product for your boat constructed of Stamped 304 Stainless Steel, corrosion resistance Open drain with stopper pin to keep the rod in place come with cap to cover while not in use, UV resistant Black Liner for protection of rod.