This 3/4" non-threaded lock'N-pin telescopic boat seat pedestal extends from 24 to 30 inches, providing flexible height adjustment for marine seating. Built with a standard 3/4" non-threaded pin interface, it ensures fast, tool-free installation and secure locking during boating. Designed for durability in saltwater and freshwater environments, it resists corrosion and delivers stable support for fishing seats, captain chairs, and pontoon boat seats. Compatible with most bass boats, jon boats, fishing boats, and pontoon boats, it is an ideal direct replacement for worn or damaged seat pedestal posts.