Attwood LockN-Pin Pedestal Post This Attwood LockN-Pin Pedestal Post prevents unintentional detachment of seat mounts, bases and posts. With a 34 inch system giving you outstanding economical performance, it is designed for extreme durability and long lasting use. This lock-n-pin pedestal post is proven to be one of the safest systems in the industry. Features Prevents Unintentional Detachment Of Seat Mounts, Posts, and Bases 34 in. System Gives You Outstanding Economical Performance Posts Are A