• Rigid plate provides increased area for load distribution when attaching a spider to a seat
• Pre-drilled, counter-sunk holes fit most hardware and seats
• Polyethylene version is 5/8" thick
• 7-1/4"W x 13-1/8"L x 5/8"D
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Fisheries offers discounted pro pricing, real-time inventory and same-day shipping -- as well as our solid customer service reps.