Spaceeup 4x4 post base front view shows sturdy deck support.
Spaceeup 4x4 post base side view highlights rust-resistant coating for outdoor use.
Spaceeup 4x4 post base with bolt pack demonstrates quick install.
Spaceeup included wrench and screws enable swift setup.
Spaceeup post base inner diameter 3.6x3.6 fits standard 3.5x3.5 posts.
Spaceeup post base installed on concrete with 0.5-inch anchors.
Spaceeup black-coated post base ideal for decks, porches, fences.
Spaceeup 4x4 base secures porch railing posts on a deck.

SPACEEUP

SPACEEUP 4x4 Post Base – Heavy-Duty Black Powder-Coated Deck Brackets (2-Piece)

High-performance tools and home improvement made for confident daily results

$39.98

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Why customers choose TaskHolt Tools

SPACEEUP 4x4 Post Base — Solid Support for Outdoor Posts

Two rugged post bases designed to anchor wooden posts securely for decks, porches, pavilions, or railings. Crafted from durable steel and finished with a black powder coating, they blend with outdoor aesthetics while resisting the elements for years of reliable use.

What’s in the box

The set includes two post bases, a wrench, eight expansion bolts, and sixteen self-tapping screws. With everything you need on hand, you can complete a straightforward installation without hunting for extra hardware.

  • FIRM AND STEADY: Each base measures 6.4 x 3.6 x 5.4 inches and fits 4x4 posts (actual 3.5 x 3.5 inches).
  • HEAVY-DUTY CONSTRUCTION: 2.1 mm thick steel with a black powder coating to resist rust and weathering.
  • INNER DIAMETER: 3.6 x 3.6 inches, suitable for most standard dry 4x4 posts—verify your exact post size before purchasing.
  • EASY INSTALLATION: Pre-drilled bases can be fixed into concrete with the included 0.5-inch anchors and fasteners in minutes.
  • COMPREHENSIVE ACCESSORIES: Includes 1 wrench, 8 expansion bolts, and 16 self-tapping screws—no extra purchases needed.
  • VERSATILE APPLICATIONS: Ideal for porches, pavilions, decks, mailboxes, fences, and railings requiring solid post support.

In real-world use, the two bases offer a fast path to a stable frame. Align the posts, tighten the bolts, and you’ve created a sturdy foundation for a deck railing or outdoor railing system. The black finish provides a contemporary look while helping it blend with various outdoor themes and endure seasonal exposure.

At a glance

  • Item size: 6.4 x 3.6 x 5.4 inches
  • Quantity: 2 pieces
  • Inner diameter: 3.6 x 3.6 inches
  • Material & finish: 2.1 mm steel with black powder coating

FAQ

Q: What size posts does the SPACEEUP 4x4 Post Base fit?

A: Designed for 4x4 wood posts; inner opening is 3.6x3.6 inches to fit standard 3.5x3.5 posts.

Q: What’s included and how easy is installation?

A: Two bases come with a wrench, eight expansion bolts, and sixteen self-tapping screws for quick concrete installation.

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