Home Furniture & Seating Seat Hardware Plug-In™ Series Round Hi-Lo Base (Size: 9”) Springfield Marine Plug-In™ Series Round Hi-Lo Base (Size: 9”) $78.29 Plug-In™ Series Round Hi-Lo Base (Size: 9”) quantity Add to cart Product Details Product Details Hi-Lo Base Satin finish. Size: 9″. Bolt pattern: 8″. Below the deck mount requires a 3-3/4″ hole in deck. Display package. Use with any Plug-InT post (Sold Separately).
