The Springfield Plug-In 9" Round Hi-Lo Base gives you a solid, adjustable-height seat mounting point for any 2-3/8" plug-in post. Machined from high-strength aluminum with a clean satin finish, this below-deck mount installs through the deck surface and accepts a standard round hole pattern — a straightforward upgrade for helm seats, companion seats, or any fixed seating position on your boat.

Specifications:

• 9" round base diameter
• 8" round hole pattern
• Satin finish, high-strength aluminum construction
• Below-the-deck mount style
• Requires 3-3/4" hole in deck for installation
• Compatible with any 2-3/8" plug-in post (sold separately)

⚠️ WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.