Springfield Marine 1620001 Kingpin Base Plate. Base plate features dimensions of 7″ x 7″ and a stainless steel composition. This mount requires a 2-1/2″ hole in deck.

• Use With Standard Kingpin Posts (Not Included)
• Stainless Steel Composition
• Mount Requires A 2-1/2″ Hole In Deck For Installation
• Package Dimension: 3″ ( H ) x 11″ ( L ) x 7.75″ ( W )