Stable support: Each post base has dimensions of 5.75 x 5.75 inches, with a total of 4 pieces. The size of the inner tube is 5.6 x 5.6 inches, and the size of the bottom cross-section is 7.44 x 7.05 inches. It is recommended for use with 5.5 x 5.5 inch posts. The fully enclosed design offers secure, efficient support and ensures that it will not wobble during use.

Durable and sturdy: This support base is made from carbon steel with a wall thickness of 0.08 inches, ensuring long-lasting durability. The surface is coated with electrostatic paint for corrosion and rust resistance, providing a long lifespan.

Complete accessories: The post anchoring includes M8*60 self-tapping screws, φ12*60 expansion screws, M8 washers, M5*25 wood screws, an 8-13 double-ended wrench, making installation simple and easy.

Wide application: The dual-use screws are suitable for concrete and wood deck installations. This post base can be widely used in pergolas, terrace railings, column supports, and more, providing secure support.

• Kit quantity: 4 pieces
• External dimensions: 5.75 x 5.75 inches / 146 x 146 mm
• Internal dimensions: 5.6 x 5.6 inches / 142 x 142 mm
• Base cross-section: 7.44 x 7.05 inches / 189 x 179 mm
• Wall thickness: 2 mm
• Product dimensions: 7.44 x 7.05 x 5.51 inches / 189 x 179 x 140 mm