3-piece, all-aluminum provides solid table base. Provide larger boats with removable table options designed to withstand the tough marine conditions. Fluted profile stanchion with protective anodized finish. Tapered on both ends for a snug, wobble-free fit. Flush mount base with fluted anodized tube. Overall height: 29-3/8″. Post diameter: 2-7/8″. Base diameter: 9-1/4″. Flush mount bases require drilling into the deck and extend 2-3/4″ below the deck.