This Attwood Lock’ N-Pin ¾-inch Pin Post provides a stable mounting point for components such as a boat seat, and it is height-adjustable for added versatility. This 1.77-inch-diameter brushed aluminum post is easily adjustable between heights of 24 to 30 inches using the convenient control lever. It features the Lock’ N-Pin ¾-inch Pin Posts system that allows drop-in components such as a seat mount with ¾-inch pin seat mounts to easily slide together, and then lock into place securely to prevent unintentional detachment of the components. This is a threaded pedestal with a steel pin. It complies with ABYC Code B. Attwood Corporation has been an award-winning leader in engineering, testing, and manufacturing the highest quality marine products for over 100 years. We deliver safe and reliable lighting, fuel systems, water systems, seating & pedestals, swim ladders, custom upholstery, and general marine accessories that are easy to install and meet regulatory compliance.