Springfield Marine Boat 14-1/2" Thread Lock Table Leg Pedestal Post with base

#8123051 Springfield Aluminum Mainstay adjustable seat Pedestal

Springfield Marine Economy Adjustable Pedestal for Boat Seat - 12" to 18"

3/4" Boat Seat Pin Post, Lock-in Style Non-Threaded Pedestal Post for Marine ...

Marine Boat Bow Forward Facing Removable Backrest Cushion Frame Bracket Mount

Springfield 3793013-A Thread-Lock Post 13" Fixed Height 2-3/8" anodized aluminum

Marine Boat Bow Forward Facing Removable Backrest Cushion Frame Bracket Mount

"Boat Seat Swivel Bushing for Springfield 2-3/8" Pedestal - Prevents Rotation"