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 PatiosProduct Features 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