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🖤 Fortify your outdoor space with sleek, rustproof strength!
The AXWHYS 4x4 Post Base Set includes four heavy-duty, 13-gauge solid steel brackets with a black powder-coated finish designed to resist rust and weather damage. Each base fits standard 4x4 posts (3.6x3.6 inches inner size) and features a unique partition and drainage system to prevent wood rot. The package includes all necessary screws and anchors for concrete and wood installation, ensuring a secure, long-lasting foundation for decks, pergolas, fences, and mailbox posts.















| ASIN | B0BGXT52DG |
| Best Sellers Rank | #5,727 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1 in Decking Post Anchors & Bases |
| Brand | AXWHYS |
| Brand Name | AXWHYS |
| Color | Black |
| Customer Reviews | 4.6 out of 5 stars 1,008 Reviews |
| Grade Rating | Residential |
| Included Components | Necessary Hardware |
| Item Dimensions | 5.4 x 4 x 5.6 inches |
| Item Form | Metal |
| Item Shape | Square |
| Item Type Name | Post Base |
| Item dimensions L x W x H | 5.4 x 4 x 5.6 inches |
| Manufacturer | AXWHYS |
| Material | Carbon Steel |
| Model Number | POST489 |
| Number of Items | 4 |
| Part Number | POST489 |
| Shape | Square |
| Unit Count | 4 Count |
J**R
You won’t regret it!
These were a life saver! Don’t fall for the cheaper, shorter ones. These are heavy and held in with bolts. They were super easy to install and add the elegance I was looking for with the black coating. I purchased more to replace the ones on my back porch!
J**Y
Easy installation
Was perfect for what I needed 6x6 posts
C**S
Sturdy and Attractive
Worked great for us. I cut two 4 x 4‘s 41 inches long, painted and placed them on our steps. You will need a good drill and concrete bit. I recommend a shorter bit, not the foot-long ones. Everything else you need comes with this product. Wrap some tape around your bit to indicate the depth of your bit holes. Have a vacuum to clean them out.
T**C
Secure posts
Solid and good quality. Holding up my post without issues. Although indoors. Not sure how it would hold up outside.
B**I
Nice and works as expected.
Nice ground anchor post mount.
K**S
Worls great
Heavy duty. Nice that they come with a variety of hardware to attach them.
A**R
Perfect for my application.
Product exactly as described. Used on my back patio to support poles for a privacy screen. Very sturdy and finish seems durable. Hardware seems durable as well.
M**A
Will withstand all four seasons of weather.
Worked great for my solar light post project. This is high quality and will certainly last through our Montana winters. Looks good too.
J**C
Parfait et très solide
Parfait et très solide, y a juste les vis qui rouille après 6 mois malheureusement c'est pour cela 4 ☆
H**R
Heavy Duty — Bought Them Again
Very heavy-duty post brackets and they come with everything needed for installation. I was happy with the quality and how solid they felt, so I bought them a second time for another project. Good fit, strong construction, and convenient that the hardware is included. Very satisfied overall.
A**R
Solid, snug fit for 4x4
Very happy with these post base mounts. And I say that having tried and returned 2 other types. These ones were solid, snuggly fit a Canadian 4x4 post and fastened extremely solid. Would buy again.
P**L
Sturdy Construction
These mounts are good quality and sturdy enough to easily support 6 x 6 posts. All the fastening hardware was included for both wood deck mounting and concrete pad mounting.
A**L
4 x 6 Post Braket
Does not fit a 4 x 6 post as advertised, post has to be trimed/modifed to fit inside the bracket, but it is a well built unit just be prepared for some extra work.
Trustpilot
2 weeks ago
2 weeks ago