---
product_id: 327179524
title: "SPACEEUP 4x4 Post Base 2 Pcs, Inner Size 3.6\"x3.6\" Deck Post Base, Heavy Duty Powder-Coated Post Anchor Black Wood Post Brackets for Decking Porch Railing Support"
brand: "spaceeup"
price: "$228.14"
currency: USD
in_stock: true
reviews_count: 8
category: "Spaceeup"
url: https://www.desertcart.ec/products/327179524-spaceeup-4x4-post-base-2-pcs-inner-size-3-6x3
store_origin: EC
region: Ecuador
---

# Matte black powder-coat resists rust Fits standard 3.6"x3.6" 4x4 wood posts 2.1mm thick steel for max durability SPACEEUP 4x4 Post Base 2 Pcs, Inner Size 3.6"x3.6" Deck Post Base, Heavy Duty Powder-Coated Post Anchor Black Wood Post Brackets for Decking Porch Railing Support

**Brand:** spaceeup
**Price:** $228.14
**Availability:** ✅ In Stock

## Summary

> ⚡ Elevate your deck game with post bases that mean business!

## Quick Answers

- **What is this?** SPACEEUP 4x4 Post Base 2 Pcs, Inner Size 3.6"x3.6" Deck Post Base, Heavy Duty Powder-Coated Post Anchor Black Wood Post Brackets for Decking Porch Railing Support by spaceeup
- **How much does it cost?** $228.14 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/327179524-spaceeup-4x4-post-base-2-pcs-inner-size-3-6x3)

## Best For

- spaceeup enthusiasts

## Why This Product

- Trusted spaceeup brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Rock-Solid Stability:** Heavy-duty 2.1mm steel frame ensures your deck posts stay firm and secure through every season.
- • **Sleek Matte Black Finish:** Rust-resistant powder coating adds a modern, professional look that lasts and impresses.
- • **Precision Fit for 4x4 Posts:** Designed with a perfect 3.6"x3.6" inner size to snugly hold standard dry wood posts without wobble.
- • **Versatile & Stylish Support:** Ideal for decks, porches, railings, and stairways—combine strength with subtle elegance in your outdoor projects.
- • **All-Inclusive Installation Kit:** Comes with bolts, screws, expansion anchors, and a wrench—everything you need for a hassle-free setup.

## Overview

The SPACEEUP 4x4 Post Base set includes two heavy-duty, powder-coated steel brackets designed to securely anchor 4x4 wood posts. With a 2.1mm thick steel construction and a rust-resistant matte black finish, these post bases provide long-lasting stability and a sleek aesthetic. Pre-drilled holes and included hardware make installation quick and easy, perfect for decks, porches, railings, and more.

## Description

desertcart.com: SPACEEUP 4x4 Post Base 2 Pcs, Inner Size 3.6"x3.6" Deck Post Base, Heavy Duty Powder-Coated Post Anchor Black Wood Post Brackets for Decking Porch Railing Support : Tools & Home Improvement

Review: Very well made! - These are Awesome for my small deck. Made well , sturdy, and look nice! Thank You
Review: Excellent solution to our stairway issue - We needed an easy, attractive solution to our indoor stair railing issue. Most post bases are either flange-less (no skirting at the bottom) or all four sides have the flange/skirting. Because of where we needed to set the posts, we needed some skirting but not on all four sides. Tada!! These post bases are ideal for our setup - the size is perfect, our posts fit really well once we screwed everything in, the thick metal is extremely durable, and they are quite attractive. They installed easily and are very sturdy. Highly recommend for deck or stairway installation, indoors or outside.

## Features

- FIRM AND STEADY: Item size: 6.4x3.6x5.4"(LxWxH); Quantity: 2 Pcs; The deck post base is made of 2.1 mm thick steel, plated with black powder. It can prevent the post anchor from rusting and it's stable enough to support the bottom of the post. Long service life.
- 4x4 POST BASE: Inner diameter of the post bracket is 3.6x3.6 inches. The post base is used for 4x4 wood posts (actual 3.5"x3.5" dry post on market). Attention: Before you buy it, please confirm the size of wood post.
- EASY TO INSTALL: Concise manual is offered. Each post base bracket is pre-holed. You can easily use the bolts and screws we provided to install the 4x4 brackets in concrete with 0. 5" diameter anchors in a few minutes.
- ADEQUATE ACCESSORIES: A wrench, 8 x 3/8 Expansion Bolt and 16 x Self-tapping Screws are supplied. They are enough to fix the post base. So you do not need to buy other accessories.
- APPLICABLE SCENARIOS: Our post bases are specially designed to support porches, pavilions, decks, mailboxes, fences and railings etc. Their solid quality can do what they can do.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B095S3W9J2 |
| Best Sellers Rank | #142,682 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #91 in Decking Post Anchors & Bases |
| Brand | SPACEEUP |
| Brand Name | SPACEEUP |
| Color | Black |
| Customer Reviews | 4.6 out of 5 stars 549 Reviews |
| Finish Type | Matte Black |
| Finish Types | Matte Black |
| Included Components | screws |
| Item Depth | 5.4 inches |
| Item Dimensions | 6 x 3.9 x 3.9 inches |
| Item Weight | 2.44 Kilograms |
| Item dimensions L x W x H | 6 x 3.9 x 3.9 inches |
| Manufacturer | SPACEUP |
| Material | Metal Steel |
| Material Type | Metal Steel |
| Model Number | LJJDZ4X4LZDZ4PCS |
| UPC | 735299493577 |
| Unit Count | 2 Count |

## Product Details

- **Brand:** SPACEEUP
- **Item dimensions L x W x H:** 6 x 3.9 x 3.9 inches
- **Color:** Black
- **Shape:** Rectangular Prism
- **Item Diameter:** 3.6 Inches

## Images

![SPACEEUP 4x4 Post Base 2 Pcs, Inner Size 3.6"x3.6" Deck Post Base, Heavy Duty Powder-Coated Post Anchor Black Wood Post Brackets for Decking Porch Railing Support - Image 1](https://m.media-amazon.com/images/I/71pvCdmX0nL.jpg)

## Available Options

This product comes in different **Size, Style** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Very well made!
*by T***R on December 3, 2025*

These are Awesome for my small deck. Made well , sturdy, and look nice! Thank You

### ⭐⭐⭐⭐⭐ Excellent solution to our stairway issue
*by B***T on April 12, 2025*

We needed an easy, attractive solution to our indoor stair railing issue. Most post bases are either flange-less (no skirting at the bottom) or all four sides have the flange/skirting. Because of where we needed to set the posts, we needed some skirting but not on all four sides. Tada!! These post bases are ideal for our setup - the size is perfect, our posts fit really well once we screwed everything in, the thick metal is extremely durable, and they are quite attractive. They installed easily and are very sturdy. Highly recommend for deck or stairway installation, indoors or outside.

### ⭐⭐⭐⭐⭐ Great, solid base for 4x4 posts
*by J***. on November 13, 2025*

Great base units for railing posts. I really appreciated how solid they were, and how well they fit with a standard 4 x 4 post. I suggest using a good bolt to mount them as the sleeve, and inevitably the post, are going to be stronger than the mounting screws, so make sure they are strong!

## Frequently Bought Together

- SPACEEUP 4×4 Post Base 5 Pcs, Inner Size 3.6"x3.6" Post Base Brackets, Heavy Duty Powder-Coated Post Anchor Matte Black Wood Post Brackets for Pavilion Deck Railing Support Deck Base Plate
- Concrete & Masonry Professional Drill Bit Set (5PCS) for Glass/Brick/Plastic/Cement/Wood/Tile/Etc, Industrial Strength Carbide Drill Bit Tip, 1/4"-1/2" by TITGGI
- Anrik 3/8 inch x 3-3/4 inch - 20 Pieces Wedge Anchor Zinc Plated Heavy Duty Fastener for Concrete

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*Product available on Desertcart Ecuador*
*Store origin: EC*
*Last updated: 2026-02-20*