2-3/8″ Locking Fixed-Height Post – 13″Anodized to withstand all conditions. Heights are from the top of the post to the deck when the post is installed. Fits into any 2-3/8 Plug-In base (sold separately). Use with any 2-3/8 Trac-Lock swivel (sold separately), swivel adds 3/4 to height.
![Springfield Plug-In Locking Air-Ride Post - 14-1/4" to 21" [1300901]](https://www.boatpartsuk.com/wp-content/uploads/2026/10/23/1792735839/springfield-plug-in-locking-air-ride-post-14-1-4-to-21-1300901.webp)
![Springfield KingPin Standard Hi-Lo 3-Piece Package - 13-1/2" [1615431-1]](https://www.boatpartsuk.com/wp-content/uploads/2026/10/23/1792735845/springfield-kingpin-standard-hi-lo-3-piece-package-13-1-2-1615431-1.webp)
![Springfield Skipper Standard Seat Fold Down - Grey/Red [1061018]](https://www.boatpartsuk.com/wp-content/uploads/2026/10/23/1792735846/springfield-skipper-standard-seat-fold-down-grey-red-1061018.webp)
![Springfield Economy Folding Seat - Mossy Oak Camo [1040626]](https://www.boatpartsuk.com/wp-content/uploads/2026/10/23/1792735850/springfield-economy-folding-seat-mossy-oak-camo-1040626.webp)
![Springfield KingPin 7" x 7" Seat Mount w/Spring - E-Coat Finish [1615201-EC]](https://www.boatpartsuk.com/wp-content/uploads/2026/10/23/1792735849/springfield-kingpin-7-x-7-seat-mount-w-spring-e-coat-finish-1615201-ec.webp)
![Springfield Fish Pro High Back Folding Seat - Blue/Grey [1041631-1]](https://www.boatpartsuk.com/wp-content/uploads/2026/10/23/1792735839/springfield-fish-pro-high-back-folding-seat-blue-grey-1041631-1.webp)
![Springfield Taper-Lock 9" - Aluminum - Round Base [1600003]](https://www.boatpartsuk.com/wp-content/uploads/2026/10/23/1792735843/springfield-taper-lock-9-aluminum-round-base-1600003.webp)
![Springfield High Back Multi-Color Folding Seat - Grey/Charcoal [1040663]](https://www.boatpartsuk.com/wp-content/uploads/2026/10/23/1792735844/springfield-high-back-multi-color-folding-seat-grey-charcoal-1040663.webp)