Springfield 1630001 Threaded Square Seat Base for KingPin Post - 7", Satin Finish

7" x 7" stainless steel base with rust-resistant satin finish Nylon bushing with 4" cup depth Below-the-deck mount required a 2.5" hole in the deck Use with threaded KingPin posts (sold separately) 5-year warrantyYou may also like Springfield Guardian Motor Support, Deluxe.