This Attwood Swivl-Eze Adjustable Pedestal provides a sturdy and reliable mounting point for a boat seat. Its durability and height-adjustability make this pedestal an exceptional value. It is height-adjustable between the heights of 11 ½ inches and 17 ½ inches. This durable pedestal features reinforced welded joints for added strength, and it has a black powder-coat finish that will withstand the rigors of a marine environment. Attwood Corporation has been an award-winning leader in engineering, testing, and manufacturing of the highest quality marine products for over 100 years.