Attwood SP-68914 9" aluminum round base plate provides a dependable base for a seat mounting system. This round, brushed aluminum base plate has a 9-inch diameter, and it installs using six fasteners. It requires a 3.25-inch-diameter mounting hole, and the plate extends to a depth of 2 inches below the deck. It meets ABYC Code AO standards.

Features:

• Engineered to prevent unintentional detachment
• Heavy-duty bushing with peripheral bearing system and exclusive "crush ribs" are individually sized for exact fit
• Tubing is precisely-sized and satin-anodized finished
• Precisely positioned locking tab positively locks post to base
• Wedge bushing locks in with a tight, solid fit
• 2-Point stainless steel riveting strengthens the bushing
• Strong base design has reinforcing ribs and improved profile to withstand the toughest conditions
• Bead blasting closes aluminum porosity. Brushing process provides long-lasting high-sheen finish

Specifications:

• Diameter: 9"
• Depth Below Deck: 2"
• Required Diameter Mounting Hole: 3.25"
• Fits Post Diameter: 2-3/8"
• Material: Brushed Aluminum
• ABYC Code: AO

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