# Antsky 4x4 Square Stainless Steel Post Base, 2-Pack

Pack: The Antsky 4x4 post base is a square stainless steel anchor bracket for standard 4x4 posts, stated as 3.5 × 3.5 inches actual size. Its air-flow channel and claimed concrete- and wood-floor fastener options suit deck, fence, mailbox, and gazebo projects.

- [Original product page](https://best-deals.pro/product/antsky-4x4-square-stainless-steel-post-base-2-pack)
- [View offer](https://best-deals.pro/visit/antsky-4x4-square-stainless-steel-post-base-2-pack)
- Market: US
- Language: en-US
- Currency: USD
- Brand: Antsky
- Category: Tools & Garden > Hardware & Building Materials
- Price: 30.97 USD
- Previous price: 44.25 USD
- Discount: 30%
- Price checked: 2026-11-14T06:59:21.124Z
- Rating: 4.7 / 5
- Reviews: 25

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- The stated fit is for standard 4x4 posts, with 3.5 × 3.5 inches given as the actual post size.
- A bottom air-flow channel is intended to ventilate the wood-post base and reduce water accumulation.
- The listing describes stainless steel with a black powder coating and includes fasteners for wood and concrete floors.

## Pros

- The airflow channel addresses ventilation at the point where the wooden post meets the base.
- Listed fasteners cover both wood-floor and concrete-floor installation options.
- The listed uses include decks, fences, mailboxes, gazebos, pergolas, and pavilions.

## Specifications

### Identity
- Brand: Antsky
### Dimensions and installation
- Form factor: Square
- Compatible post size: standard 4x4 posts \(actual size 3.5"x 3.5"\)
- Listed floor types: wood or concrete floors
### Materials and protection
- Material listed: stainless steel
- Color: Black
- Finish and protection claim: black powder coating which gives anti-corrosion and anti-rust protection
### Design and uses
- Bottom design: air flow channel
- Listed applications: deck railings, fences, mailboxes, gazebos, pergolas, and pavilions
### Fasteners and tools listed
- Hex screws: 7/32″ hex screw\*16
- Wood-floor screws: hex-screw for wood floor \*8
- Concrete sleeve bolts: sleeve bolt for concrete\*8
- Drill bit: drill bit \*1
- Hex socket tool: hex socket tool \*1

## Before you buy

- The title says 2PCS, while product details list Number of Items as 1 and Unit Count as 2 Count. The feature text specifies two brackets and separate fastener quantities. Confirm the selected listing's count and included hardware before purchase. The listing also calls the finish powder-coated but does not specify the coating's thickness or a corrosion-test result.

## A good fit for

- Projects using standard 4x4 posts for a deck railing, fence, mailbox, gazebo, pergola, or pavilion.
- Installations where the buyer needs listed fastener options for either wood or concrete flooring.

## Less suited to

- Projects using a post size other than the stated standard 4x4 fit.
- Buyers who need independently documented load capacity, coating performance, or detailed installation dimensions, which are not supplied here.

## Customer feedback

Aggregate ratings lean positive, with most ratings in the five-star category and some three-star ratings. Without written feedback, these figures do not identify what buyers liked or disliked, or establish how the bracket performs. For a purchase, the stated post fit and floor-specific fasteners are more actionable than the rating pattern.

## Frequently asked questions

### What post size does this base fit?
The listing says it fits standard 4x4 posts and gives the actual size as 3.5 × 3.5 inches.
### Can it be installed on concrete or wood?
The listing specifies wood or concrete floors and lists separate fasteners for wood-floor and concrete installation.
### What is the air-flow channel for?
The manufacturer says the channel ventilates the bottom of the wood post and helps avoid water accumulation. This is a stated design intent, not a measured durability result.
### How many brackets and fasteners are listed?
The feature text lists two base anchor brackets, 16 hex screws, 8 wood-floor screws, 8 concrete sleeve bolts, one drill bit, and one hex socket tool. The title and item-count details differ, so confirm the chosen listing's contents.

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## Images

![Antsky 4x4 Square Stainless Steel Post Base, 2-Pack — 1](https://best-deals.pro/i/xbZ9-rfWF7PB4ARf4PsfDYm5GZT3DSEU-xrf77RHnPNcXZpGvnEJyEA2J7mjzjxUc5eBvI0dvpYJ-u7wgeEbXt2poi8U2Zr5JY2PIBvxhIk_LD7jukR-.jpg)

![Antsky 4x4 Square Stainless Steel Post Base, 2-Pack — 2](https://best-deals.pro/i/hPozgIULPrWsz4LCytNbMbxEhxanL7sSniI9Tp7mq6kpU0DlIN8M8TyRyf30mBQdEh2rk5fzkKmWI12vDpWMEcaAA8cUQZ29Xnnk_5hjhxhZHfUty5pV.jpg)

![Antsky 4x4 Square Stainless Steel Post Base, 2-Pack — 3](https://best-deals.pro/i/thwCx-jkQwXczIJfV32IMLvMgkUVAyPoUxWnHrMJNscIqHhYpc4bN8NTpy5aKpaFWoA5cpAmlfmRSjYBrBLsDtXSkfOt1u0xsqktA3BOAyKwG2it_5Gx.jpg)

![Antsky 4x4 Square Stainless Steel Post Base, 2-Pack — 4](https://best-deals.pro/i/ldUK6rWqbDR6o8EOpESRQ9LQwCxnk0nC-A4DN6X-gBMaNyf1PjMnVk0-CFCJBv91QjZsOot6XejJmxGOrheCKvgZhhf49KmADoajwY8K2xVqwAENmjxp.jpg)

![Antsky 4x4 Square Stainless Steel Post Base, 2-Pack — 5](https://best-deals.pro/i/klVxf5SjFnGnQ-CJzmfyKEj93EYrvdctditYADtQpUaqeHs7--2VLxLtnMwd92-pWi5EdQvSAvTXMOMVRpmy6DY99KJs1fmLCbaIF-lYbu6DCRQBlT7k.jpg)

![Antsky 4x4 Square Stainless Steel Post Base, 2-Pack — 6](https://best-deals.pro/i/kqSz1IUQcE8YPCZXsxCNNj_rE0496213zzfmqpUR-HgTJbg25yz63BQlsKQEC4fyNVl5rpN97dO6hie-Fe5leshvFxk-vGW8CMuALmXpKrVGlnxT1SRI.jpg)