Home Furniture & Seating Seating, Tables & Pedestals Seat Hardware KingPin™ Series Threaded Square Mild Steel Base with Nylon Bushing (Bulk) Springfield Marine KingPin™ Series Threaded Square Mild Steel Base with Nylon Bushing (Bulk) $30.99 KingPin™ Series Threaded Square Mild Steel Base with Nylon Bushing (Bulk) quantity Add to cart Product Details Product Details Nylon Bushing Mild steel base with E-coat finish. Size: 7″ x 7″. 4″ below deck is needed. Below the deck mount requires a 2-1/2″ hole in deck. Use with any threaded KingPinT post (Sold Separately). Bulk. ABYC Class: (B) H-31 Fishing Only.
