Old fashioned aluminum post pedestal bases available in a variety of sizes. Used to keep the bottom of a wood post off of a masonry surface. 4 x 4 Aluminum Post Pedestal Base $2.89 4 x 6 Aluminum Post Pedestal Base $4.49 5 x 5 Aluminum Post Pedestal Base $4.99 6 x 6 Aluminum Post Pedestal Base $6.59 8 x 8 Aluminum Post Pedestal Base $17.00 10 x 10 Aluminum Post Pedestal Base $24.99 12 x 12 Aluminum Post Pedestal Base $27.99 Cast Iron Porch Post Base $8.99