---
product_id: 414838620
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: "$57.73"
currency: USD
in_stock: false
url: https://www.desertcart.us/products/414838620-spaceeup-4x4-post-base-2-pcs-inner-size-3-6x3
store_origin: US
region: United States of America
---

# Black powder-coated finish for rust resistance 3.6"x3.6" inner size fits standard 4x4 posts 2.1mm thick steel for ultimate 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:** $57.73
**Availability:** ❌ Out of Stock

## Summary

> ⚡ Elevate your outdoor projects with unshakable strength and sleek style!

## 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?** $57.73 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/414838620-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

- • **All-Inclusive Kit:** Comes with wrench, expansion bolts, and self-tapping screws—no extra trips to the hardware store.
- • **Versatile Support:** Ideal for decks, porches, fences, and railings—upgrade your outdoor space with confidence.
- • **Rock-Solid Stability:** Heavy-duty 2.1mm steel ensures your deck posts stay firm and secure.
- • **Perfect Fit Precision:** Designed for 3.5"x3.5" dry wood posts with a 3.6"x3.6" inner bracket size—no guesswork needed.
- • **Effortless Installation:** Pre-drilled holes and included bolts & screws make setup a breeze—get your project done fast.

## Overview

The SPACEEUP 4x4 Post Base set includes two heavy-duty, powder-coated steel brackets designed to securely anchor 4x4 wood posts. With a 3.6"x3.6" inner size and 2.1mm thickness, these rust-resistant bases provide long-lasting stability for decks, porches, and railings. The package includes all necessary hardware for quick, hassle-free installation.

## Description



## 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 |
|---------------|-------|
| Item Diameter | 3.5 Inches |
| Item Thickness | 2.1 Millimetres |
| Item Weight | 2.44 Kilograms |
| Grade Rating | Industrial |
| Specification Met | Partially Met |
| UPC | 735299493577 |
| Number of Items | 2 |
| Manufacturer | SPACEUP |
| Item model number | LJJDZ4X4LZDZ4PCS |
| ASIN | B095S3W9J2 |

## Product Details

- **Material:** Alloy Steel
- **Brand:** SPACEEUP
- **Item dimensions L x W x H:** 15.2 x 9.9 x 9.9 Centimeters
- **Colour:** Black
- **Shape:** Rectangular Prism

## 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)
![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 2](https://m.media-amazon.com/images/I/71vth7t4vsL.jpg)
![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 3](https://m.media-amazon.com/images/I/71WdqcYhmkL.jpg)
![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 4](https://m.media-amazon.com/images/I/71wmjfuQWtL.jpg)
![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 5](https://m.media-amazon.com/images/I/714JvxzzfeL.jpg)

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.us/products/414838620-spaceeup-4x4-post-base-2-pcs-inner-size-3-6x3](https://www.desertcart.us/products/414838620-spaceeup-4x4-post-base-2-pcs-inner-size-3-6x3)

---

*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-02-25*