Strong Aluminum Construction: This marine seat base is made of high-quality aluminum, with a sturdy structure that ensures durability and reliability. It can withstand harsh marine environments and provide a stable foundation for your boat seats.

Perfect for 2-7/8 inch base pillars: This seat base can accommodate base pillars with a diameter of 2 7/8 inches, providing a precise and safe fit for your boat's seat setup. Its compatibility with standard columns makes it a versatile choice for various ship types.

Convenient pre drilling mode: The pre drilling method on the base of this valve seat allows for easy installation of the valve seat or hardware. Simply align the holes with the required components and secure them in place to achieve a fast and efficient installation process.

The locking mechanism ensures stability and safety when positioning the seat in the desired direction, thereby increasing comfort and convenience.

High quality aluminum
This marine seat base has extraordinary strength and long-lasting performance. It is corrosion-resistant and can ensure its reliability even in harsh marine environments.
Color: Silver
Product Packaging Size: 14.1 * 10.6 * 5.5 Inch
Packaging Weight: 7.7 pounds
Strong Aluminum Construction
Mounts to most boat seats and Helm seats
Pre-Drilled hole pattern to mount seat or hardware
Locking mechanism
Swivels 360 Degrees