This Attwood Lock’N-Pin ¾-inch Pin Post provides a stable mounting point for components such as a seat and it is height-adjustable for added versatility. This 1.77-inch-diameter brushed aluminum power pedestal is adjustable between heights of 24 to 30 inches. It features the Lock’ N-Pin ¾-inch Pin Posts system that allows drop-in components such as a seat mount to easily slide together and then lock into place securely to prevent unintentional detachment of the components. This is a non-threaded pedestal with a steel pin. It complies with ABYC Code B.