Fence Post Holder Ground Spike for Concrete Deck, 4x4 Post Base Anchor, Steel Black Powder Coated, 4 Pack, Fits 3.5x3.5 Inch Wood Posts, Durable Outdoor Post Support

4x4 Fence Post Base Anchor for Concrete Decks, 4-Pack, Steel
✔️ Fits 3.5x3.5 in wood posts; steel, black powder-coated, 4-pack

Keep your outdoor posts solid with this ground spike post base. It's designed to anchor 4x4 wooden posts into concrete decks, pergolas, or fences, delivering durable support against weather, wind, and shifting soil.

✅ 4-pack post bases for efficient installs
✅ Fits 3.5x3.5 in posts (89x89 mm)
✅ 1/2 in diameter x 7 in long anchor rods (12.7 mm x 177.8 mm)
✅ Black powder-coated steel resists weather and corrosion
✅ Designed for wet-concrete installation and strong cure

💡 What is a fence post base anchor used for in concrete deck installations?

It’s a handy way to secure 4x4 posts into concrete, creating a solid, wind-ready foundation.

- 4x4 post base anchor strengthens fence, deck, and gate frames
- anchors into wet concrete with 1/2 in diameter, 7 in long rods (12.7 mm x 177.8 mm)
- black powder-coated steel resists rust for outdoor use