---
product_id: 644540714
title: "4x4 Post Base 2 Pcs, (Inner Size 3.6x3.6) Post Anchors, 13GA Thick Solid Steel & Black Powder Coated,Deck Post Brackets Support Deck Base Plate Pergola Brackets Fence Kit Mailbox Mount"
brand: "axwhys"
price: "¥15284"
currency: JPY
in_stock: true
reviews_count: 8
url: https://www.desertcart.jp/products/644540714-4x4-post-base-2-pcs-inner-size-3-6x3-6
store_origin: JP
region: Japan
---

# Inner size 3.6x3.6 inches Black powder coated rustproof finish 13GA thick solid steel 4x4 Post Base 2 Pcs, (Inner Size 3.6x3.6) Post Anchors, 13GA Thick Solid Steel & Black Powder Coated,Deck Post Brackets Support Deck Base Plate Pergola Brackets Fence Kit Mailbox Mount

**Brand:** axwhys
**Price:** ¥15284
**Availability:** ✅ In Stock

## Summary

> 🖤 Elevate your outdoor build with steel-strong, rustproof confidence!

## Quick Answers

- **What is this?** 4x4 Post Base 2 Pcs, (Inner Size 3.6x3.6) Post Anchors, 13GA Thick Solid Steel & Black Powder Coated,Deck Post Brackets Support Deck Base Plate Pergola Brackets Fence Kit Mailbox Mount by axwhys
- **How much does it cost?** ¥15284 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/644540714-4x4-post-base-2-pcs-inner-size-3-6x3-6)

## Best For

- axwhys enthusiasts

## Why This Product

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

## Key Features

- • **Rot-Free Design Innovation:** Unique ground-separated base prevents wood rot, extending your deck’s lifespan.
- • **Sleek & Stealthy Protection:** Black powder coating ensures rustproof, weather-resistant performance season after season.
- • **Built to Last, Built to Impress:** Crafted from 13GA solid steel for unmatched durability and strength.
- • **Complete Installation Kit Included:** All necessary screws and anchors supplied for hassle-free mounting on wood or concrete.
- • **Versatile Support for Every Project:** Perfect for decks, pergolas, fences, mailboxes, and more—upgrade your outdoor space with confidence.

## Overview

This 4x4 Post Base set features two heavy-duty, 13GA thick solid steel brackets with a black powder-coated finish for superior rust resistance. Designed with a unique ground-separated base to prevent wood rot, it includes a full hardware kit for easy installation on wood or concrete surfaces. Ideal for supporting decks, pergolas, fences, and mailbox posts, these brackets combine durability and smart design to enhance and protect your outdoor structures.

## Description

4x4 Post Base 2 Pcs, (Inner Size 3.6x3.6) Post Anchors, 13GA Thick Solid Steel & Black Powder Coated,Deck Post Brackets Support Deck Base Plate Pergola Brackets Fence Kit Mailbox Mount

## Features

- Material Of 4x4 Post Base: Made of Solid Steel, Black Powder Coated, Rustproof and Strong.
- Deck Post Base： Used to support porch railings, pergolas, gazebos, fences, deck brackets, post brackets and mailbox post brackets.
- Unique design: There is a partition at the bottom of the 4x4 post base, which is designed to be completely separated from the ground. Long term use will not cause the wood to rot due to rain. There is a small square box in the middle of base to make it more stable
- Screws & Anchors Supplied : A wrench. 12 x expansion anchors for concrete floors, 12 socket head wood screws for wood floors, 16 Phillips head self-tapping screws for 4x4 post fixation.
- After Sales---If you have any installation questions or other problems. Feel free to contact us.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | AXWHYS |
| Part Number | POST489 |
| Item Weight | 5.28 pounds |
| Product Dimensions | 5.4 x 4 x 5.6 inches |
| Country of Origin | China |
| Item model number | POST489 |
| Size | 4x4 2 |
| Color | Black |
| Style | 4x4 inch |
| Finish | Powder Coated, Metal |
| Shape | Square |
| Number Of Pieces | 2 |
| Included Components | Necessary Hardware |
| Batteries Included? | No |
| Batteries Required? | No |

## Images

![4x4 Post Base 2 Pcs, (Inner Size 3.6x3.6) Post Anchors, 13GA Thick Solid Steel & Black Powder Coated,Deck Post Brackets Support Deck Base Plate Pergola Brackets Fence Kit Mailbox Mount - Image 1](https://m.media-amazon.com/images/I/71c-6dV4kfL.jpg)

## Available Options

This product comes in different **Size Name** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Exceeded Expectation
*by D***R on May 17, 2025*

The post bases were exactly as promised. They look great, are heavier duty than I expected, and came with all of the necessary hardware, including a wrench. These will work great for the foundation of my corner posts for a new outdoor living area.

### ⭐⭐⭐⭐⭐ Great value! Has all you need to attach.
*by D***S on June 13, 2024*

Out of pure procrastination, I don't usually leave reviews, but with this product, I just had to do it! I'd give more stars if I could. Usually when I have a project like this I spend too much time at Lowe's or Home Depot looking for the attaching bracket and then all of the hardware to go with it, while also hoping I bought the right sizes, and don't have to run back out. This came with pretty much everything I needed for probably cheaper than I could have bought it for at the big box hardware store. Brackets are well built, sturdy, and all the hardware is included... Whether or not you're attaching to wood or concrete. Once I had these on hand it was a quick install. Great job to the seller. I would definitely buy these again! My only complaint is I could only buy them by fours. I only need three but it was still cheaper to do it this way then do it locally. Plus, again, it had everything I need.

### ⭐⭐⭐⭐⭐ Solid steel.
*by A***R on February 20, 2025*

Packaged really well.Good solid steel.Will see if it rusts...stay tuned.

## Frequently Bought Together

- AXWHYS 4x4 Post Base 2 Pcs, (Inner Size 3.6x3.6) Post Anchors, 13GA Thick Solid Steel & Black Powder Coated,Deck Post Brackets Support Deck Base Plate Pergola Brackets Fence Kit Mailbox Mount
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**Shop now:** [https://www.desertcart.jp/products/644540714-4x4-post-base-2-pcs-inner-size-3-6x3-6](https://www.desertcart.jp/products/644540714-4x4-post-base-2-pcs-inner-size-3-6x3-6)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-03-02*