Whether for seat replacement or installation, this sturdy and dependable seat mounting solution will make the process fast, easy and worry-free. Constructed from top-notch materials to withstand punishing marine conditions, it will provide proper and secure mounting of your boat seat, ensuring reliable function and long-lasting service. Features The 3/4" system gives you outstanding economical performance The design is proven by decades of experience The patented lock' n-pin system leads the industry in safety Lock' n-pin prevents unintentional detachment for seat mounts, posts and bases Specifications Material: Aluminum Thread Type: Threaded Pole Height: 16" Pin Diameter: 3/4" Pin Length: 1.5" Country of Origin: USA