VEVOR 4x4 Post Base 10 Pcs, Inner Size 3.53x3.56inch/89.6x90.5mm Concrete Post Anchor, Heavy-Duty Zinc-Plated Carbon Steel Posts Brackets with 1 Inch Standoff Elevation, for Concrete Pergolas Patios

Stable Support: Each post base measures 3.78 x 3.56 inch, with a total of 10 pieces. The inner tube size is 3.53 x 3.56 inch, compatible with 3.5 x 3.5 inch wooden posts. It provides secure and stable support without wobbling Durable and Sturdy: This post bracket is made from carbon steel with a wall thickness of 1.2 mm, ensuring long-lasting durability. The surface is powder-coated for corrosion and rust resistance, providing a long service life Adjustable U-Shaped Holes: The unique U-shaped positioning holes allow for minor adjustments of the post during installation, supporting flexible positioning of the post, making it easier to align and level for faster installation Wood Protection: The base is elevated by 1 inch, improving airflow and drainage to keep wood from absorbing dampness, reducing the risk of corrosion, and extending the service life while ensuring structural stability and durability Wide Application: Our post anchor can be installed on various surfaces and is widely used in porch railings, pergolas, column supports, and more, providing secure support