Product details:

Attwood Swivl-Eze Lock-N-Pin post is designed for outstanding economical performance. The Lock-N-Pin technology features drop-in components that slide together and lock into place which prevents unintentional detachment and increases security on your boat. Brushed aluminum construction is specially designed to resist corrosion for reliable, long-term use. Post includes a non-threaded steel pin that fits standard 3/4 seat mounts.