This steel fabricated Kingpin Seat Mount from Springfield Marine has a black powder-coated protective coating (E-Coated...Springfield Marine's "Hard as Nails" Finish).
360-degree swivel
Size: 7" X 7"
This seat mount fits into the top of the post which creates the Hi Position or directly into the base which creates the Lo Position.
Rated: B (designed for occupancy only at boat speeds not exceeding 5 miles per hour)