Built from high-strength aluminum with stainless steel hardware, Springfield pedestals and sliders resist weathering and salt corrosion. Springfield KingPin Removable Pedestal SystemHi-Lo pedestal moves from a comfortable fishing position to the Lo position for storage or maximum driving visibility. One 3/4" E-Coated steel pin extends from both the pedestal and the seat mount, allowing either part to fit directly into the socket of the deck base. The Threaded KingPin style has a threaded pin at the bottom of the post with is easily threaded into the base. KingPin Threaded Fixed Height PostThreaded post is 1-3/4" in diameter with a reinforcement ring. Satin finish. Use with KingPin Seat Mount or Offset Post. Use with any Threaded KingPin Base. | KingPin Threaded Fixed Height Post, 13"