Black Rust-Resistant 4x4 Post Brackets for Deck, Pergola, Fence or Mailbox

The Essential Features

Reinforced Carbon Steel Construction

Crafted from heavy-duty carbon steel, this 4x4 post base offers superior strength and long-lasting durability. Its 0.053" thick plate ensures solid support for your pergola, deck, or fence, even in high-stress environments.

Adjustable Fit for Standard 4x4 Posts

Perfectly fits wood posts with actual dimensions of 3.5"–4" (inner size: 3.6"x3.6"), providing a secure, snug fit. Whether anchoring a fence, mailbox, or pergola, this bracket adapts to your build seamlessly.

Stabilized Base with Secure Mounting

The wide base and reinforced screw holes offer enhanced load-bearing performance and reduce shifting. Included screws and expansion bolts ensure a firm installation on both concrete and wood surfaces.

All-In-One Installation Kit Included

Skip the hardware store with our post base, which comes with everything you need: screws, expansion bolts, washers, and even a wrench. Quick alignment and installation save time and effort.

Versatile for Outdoor & Structural Projects

Designed to withstand outdoor elements, this rust-resistant anchor provides long-term support for various wood structures. Ideal for patios, pergolas, railings, and 4x4 post brackets for decks, this product ensures your outdoor projects stay secure for years to come.