Marine Aluminum Adjustable Seat Base Pedestal 18\" to 24\" 360º Swivel-five Oceans
18" - 24" Satin Anodized Post * Seat raises or lowers, locks at desired height * 4 prong spider swivels 360° and locks * 2-7/8" (73mm) diameter tube, * 9 ¼´´ (23cm) diameter base plate