Springfield Marine Kingpin Standard Fixed Height Post for Boat Seat

This Springfield Kingpin 11-inch Boat Seat Post is made with high-strength aluminum that has a satin anodized finish. The removable design features a 3/4 inch diameter steel pin with a retention clip attachment that secures into any Standard (non-threaded) Kingpin base. This post is not intended to be used in helm/driver positions, or at speeds exceeding 5 mph.