Product Type: This boat hardware piece is a boat seat swivel base designed for a helm chair swivel base setup on a yacht or boat, providing a stable foundation for seating hardware. Rotation Function: The marine swivel plate uses a 360-degree turntable design, allowing the seat to rotate smoothly for flexible positioning and easier movement on board. Mounting Design: The top plate includes a central circular opening and slotted mounting holes, making the seat base practical for aligning and securing compatible chair installations. Construction: Built with a black top plate, gray lower housing, and black metal support brackets, this boat seat swivel base combines visible strength with a clean marine-ready look. Included Components: Two black mounting strips are shown with the assembly, adding support for installation and helping complete the helm chair swivel base mounting setup.
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