Springfield Plug-In™ 2-3/8″ base, flat, d-shaped

Plug-In™ Seat Plates – Fits 2-3/8" Plug-In™ Chair Legs

These seat plates are specifically designed for use with all 2-3/8" Plug-In™ post systems (sold separately) and allow for a stable, custom-fit installation of your boat seats. Choose from a variety of shapes to fit your onboard seating configuration.

Variant overview:

• Left Flat (A): 9″ x 7″ – flat side on the same side as the notch

• Right Flat (B & C): 9″ x 7″ – flat side opposite the notch

• Double Flat (C): 9″ x 5-1/4″ – both sides flat

Highlights:

✔️ Compatible with all 2-3/8" Plug-In™ chair legs
✔️ Sturdy aluminum construction (optional if material is known)
✔️ Custom-fit shapes for various installation requirements
✔️ Easy installation on existing bases
✔️ Ideal for replacing, retrofitting or building new boat seats