ironartistry 4x4 inch fence post anchor,internal 3.6"x3.6" fit - black powder-coated metal post base for wood deck, fence, porch, railing, mailbox (heavy duty & rust resistant) is up for auction in Tools & Home Improvement. The current bid is $1.00, 97% below the $34.99 MSRP, in Good Condition. This auction has ended — similar items appear in live auctions regularly.