funerlulu 20 pack aluminum 6x6 post caps, fence post caps for true 5.5x5.5 wood post | ? weather resistant pyramid post caps with screws, powder-coated metal post caps for deck, patio, stair, outdoor, mailbox 6*6(true 5.5"*5.5") white-20 pack is up for auction in Patio, Lawn & Garden. The current bid is $1.00, 97% below the $29.00 MSRP, in Good Condition. This auction has ended — similar items appear in live auctions regularly.