Stool with wooden seat is adjustable from 18.75' to 25.25'. 360 degree turning capability Metal center sleeve conceals adjustable height pole-pole cannot be removed from the frame. Non-marring glides. 1' diameter 18-gauge steel powder coated tubing. Seat is attached using a unique pressure connection mechanism. Solid hardwood seat is made of New Zealand Pine Wood and is 1.2' thick with a clear lacquer finish. 300 lb weight capacity.