Stable Boat Chair Pedestal Base: Boat seat pedestal for boat seat/chair with 5×5 inch bolt holes at the bottom;The diameter of the boat chair base mount is 9 inch with 2-7/8" diameter aluminum boat seat post, providing strong and sturdy standing for captain chair, keeping stable during sailing travel.
Height Adjustable Boat Seat Pedestal: The boat seat pedestal adjust height from 14 inch to 20 inch of 7 level height adjustment for different heights people and locking the height you desired position; The boat seats base pedestal allows to raising and lowering seat height easily by a lever for better visibility and higher comfort on the boat.
360° Rotation Boat Seat Base: The adjustable boat chair base with 360 degree rotation and locking knob allow to easily swivel boat seat in any direction and view different scenery of your boat.
Smooth Sliding Boat Chair Base: The adjustable boat chair base with 13 inch x 7 inch seat slider easily move seat front and back to adjust the distance between the chair and the helm.
Well Built Boat Pedestal: The boat pedestal is constructed of strong and durable anodized aluminum, featuring corrosion resistance, seawater resistance,rust-proof under harsh outdoor conditions for long-term service.
Easy to Install: Adjustable boat Seat mounting base include mounting screws to fit pedestal and bolted the base onto boat; Boat chair base is designed predrilled seat fixing holes for simple setup.
Wide Applicability: Boat seats pedestal fit most boat seats, such as captain chairs, passenger seats, casting seats, drivers seats of fishing pontoon boats, bass boats, Triton boats, Jon boats, yachts, speedboats, fishing boats and NorthCaptain, Leadpro, Lund, Attwood, Wise, etc.