CDFYJHFDQ 22" Ground Post Anchors for 4x4 Posts (4-Pack) — Carbon Steel, Powder-Coated Black

These CDFYJHFDQ post anchors are carbon-steel, powder-coated ground spikes designed to hold 4x4 posts firmly in place for fences, mailboxes, decks, pergolas and signs. Each kit includes four 22" anchors sized to accept a 3.6" x 3.6" post, plus the screws and wrench needed for quick assembly. The black finish resists rust and weather, while the no-dig design speeds installation compared with pouring concrete.

How do these spikes install and how long does it take?

Installation is straightforward: drive the spike into soil or hard-packed subsoil, then set the post into the internal sleeve and fasten it with the included screws. A single spike typically takes minutes to position and drive with a sledgehammer or post driver, faster than mixing and curing concrete.

• Drive-in length: 17" lower section for deep anchoring.
• Top sleeve: 5" upper section for post insertion and adjustment.
• Hardware supplied: 16 hex screws with spring washers and 32 flat-head screws.
• Tool included: one wrench to tighten hex screws.

Will these anchors resist rust and outdoor wear?

Yes. The anchors are constructed from carbon steel and finished with a black powder-coat that helps block corrosion and surface wear under normal outdoor conditions. Proper placement and occasional inspection will help maximize service life in wet or coastal environments.

• Material: high-strength carbon steel for load support.
• Finish: weather-resistant black powder coating for corrosion protection.
• Design resists bending or deformation under typical loads.

What post sizes and applications are supported?

The interior sleeve accepts posts measuring approximately 3.6" x 3.6", making these an excellent fit for nominal 4x4 lumber trimmed to standard true sizes. They work for a wide range of outdoor structures where a secure, non-permanent base is preferred over concrete.

• Compatible with 4x4 posts (internal fit ~3.6" x 3.6").
• Common uses: fencing, mailbox posts, bird feeders, signposts, pergola supports.
• Good for temporary or semi-permanent installations where removal is desirable.

How stable are these compared with concrete footings?

While concrete footings can offer greater lateral resistance for heavy loads, these ground spikes provide strong vertical support and good lateral stability for most residential projects. They are ideal for lightweight to moderate loads and when speed or minimal ground disturbance is important.

• Deep 17" driven section increases pull-out resistance.
• Four included anchors allow multi-post projects without additional purchases.
• Best suited for light-to-medium structural demands rather than high-load foundations.

Who is this for: Homeowners, DIYers, landscapers and light-construction professionals who need a fast, reliable alternative to poured concrete for anchoring 4x4 posts. Choose this CDFYJHFDQ 4-pack if you want sturdy, rust-resistant spike bases with all necessary screws and a wrench included for quick setup on fences, mailboxes, garden structures or temporary installations.