Diamond Pier foundations are perfect for your deck, porch, gazebo, pergola, walkway and more. Save time while building beyond the standard. No need for concrete. Installs in minutes. Easily removable. Code compliant in most areas. Diamond Piers do not require any messy excavation, are much faster to install, and eliminate concrete drying time. These have 50 inch pins. 3,000 to 4,000 (depending on soil) pound bearing capacity. All hardware, caps, instructions included. Buy one or all. I have a dozen. $110 each. (These retail for $150+)