Secure your outdoor structures with 's 4x4 Post Base 2-pack. Crafted from robust carbon steel with a matte black powder-coated finish, these post anchors offer exceptional durability and rust resistance for long-lasting performance. Designed to accommodate 3.5x3.5 inch posts (inner size 3.6x3.6 inches), the full wrap structure provides unwavering stability, eliminating wobble and ensuring safety. Each post base measures 3.8x5.5x6.4 inches (96x140x163mm) with a 2mm wall thickness for reliable support. Installation is simplified with pre-drilled screw holes and includes all necessary hardware: 18x M5x25 Dovetail Screws, 1x M8 Open-End Wrench, 9x M8 Serrated Sleeves, and 9x M8x60 Self-Tapping Screws. Ideal for pergolas, deck railings, porch supports, and other outdoor projects on both concrete and wood surfaces. Benefit from a sturdy, reliable connection that elevates the safety and style of your outdoor builds. The bracket's design allows for easy and secure mounting to various surfaces, enhancing the overall structural integrity of your project.