Pedestal System (75640) : deck ring, socket base, table mounting socket, 25.5" stanchion tube and table top. Quick release levers allows effortless take-down of table system for storageSimple to use, simple to installDeck ring mounts nearly flush with deckNo need to drill large center hole in deckMarine grade polymer components resist corrosionStanchion post is 2-1/4" anodized aluminum w/ ribbed finish and tapered at both endsSystem height is 27" from deck surface to underside of table top