attwood 11-Inch Lock'N-Pin Threaded Seat Post with Steel Pin — 1.5" Brushed Aluminum, Fixed Height

This threaded seat post is engineered for fishing, pontoon, and runabout boats where durability, simple installation, and dependable attachment matter. The brushed aluminum tube paired with an all-steel locking pin gives you a corrosion-resistant, high-strength pedestal that resists the marine environment. Built to meet the expectations of builders and boaters, the SP-2114-T is compact, lightweight, and designed for everyday use on saltwater or freshwater craft.

How does this post attach to my boat seat and base?

The SP-2114-T uses a 3/4-inch threaded steel pin that fits standard 3/4" seat mounts and pedestals. Installation is straightforward for retrofit or new mounting, and the threaded design keeps the post securely locked under load.

• Threaded 3/4" steel pin compatible with common seat bases
• Removable design for easy seat removal or storage
• Lightweight tube simplifies alignment and fastening

What safety features prevent accidental seat release?

Attwood’s Lock’N-Pin system secures the steel pin inside the tube to help prevent unintentional detachment. The mechanism is designed to meet or exceed established marine hardware safety expectations so the seat stays where you placed it.

• All-steel pin increases shear strength compared with softer pins
• Lock’N-Pin retention reduces risk of accidental pullout
• Shock-absorbing spring helps stabilize the pin under impact

Will this post resist corrosion and hold up in saltwater?

The post combines brushed aluminum tubing with a stainless/steel pin engineered to resist corrosion in both fresh and saltwater environments. Materials and finishes are chosen to minimize galvanic or surface deterioration when cared for properly.

• Brushed aluminum tube for low-maintenance exterior finish
• Steel pin engineered for strength and compatibility with marine conditions
• Designed for routine on-water use with basic post-install care

How does the SP-2114-T perform for everyday boating use?

As an 11-inch fixed-height post, this model is meant to deliver steady, comfortable seating without height adjustment. It’s suited to typical seating layouts on fishing boats and pontoons where a reliable, no-fuss pedestal is preferred.

• Fixed 11" height offers consistent seating position for most standard seats
• 1.5" tube diameter balances strength and light weight for easier handling
• Suitable for replacement or adding an extra seating location

Who is this for: The Attwood Lock’N-Pin SP-2114-T is aimed at boat owners and builders who need a dependable replacement or additional seat post that installs quickly and performs under real-world marine conditions. Choose this post if you want a compact fixed-height solution with proven Lock’N-Pin retention, durable aluminum construction, and compatibility with common 3/4" seat mounts. It’s particularly useful for anglers, pontoon owners, or anyone fitting extra seats without the complexity of adjustable pedestals.