Same style Garelick has made since 1955. All aluminum, with pedestal with mounting flange to deck, adapter that allows sliding fore and aft plus swivel 360 degrees, both lock in place with a screw knob. Needs new upholstered cushion seat and back and arms to make it new again. New chairs about $400 with all parts; Sell for $120, buyer pay to ship from Houston. It weighs about 24# with the cushions or, cushions can be removed before shipping. I can send you a picture by email.