Deck Mounted Seat SlideSwivl-Eze has the boating experience to deliver all the kinds of accessories you want.Features:Seating accessories for retrofitting and improvingAdapters to change a post installation or swivel locationMounts directly to the boat deck1-5/8" total heightConstructed of strong aluminumConvenient front control operationFor use on stamped and welded seat mounts or cast seat mounts not originally equipped with slider