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VEVOR Fence Post Anchor Ground Spike, 4 Pack 36 x 4 x 4 Inches Outer Diameter (Inner Diameter 3.5 x3.5 Inches), Metal Black Powder Coated Post Stake Ground, for Mailbox Deck Garden Railing
VEVOR Fence Post Anchor Ground Spike, 4 Pack 36 x 4 x 4 Inches Outer Diameter (Inner Diameter 3.5 x3.5 Inches), Metal Black Powder Coated Post Stake Ground, for Mailbox Deck Garden Railing
VEVOR Fence Post Anchor Ground Spike, 4 Pack 36 x 4 x 4 Inches Outer Diameter (Inner Diameter 3.5 x3.5 Inches), Metal Black Powder Coated Post Stake Ground, for Mailbox Deck Garden Railing
VEVOR Fence Post Anchor Ground Spike, 4 Pack 36 x 4 x 4 Inches Outer Diameter (Inner Diameter 3.5 x3.5 Inches), Metal Black Powder Coated Post Stake Ground, for Mailbox Deck Garden Railing
VEVOR Fence Post Anchor Ground Spike, 4 Pack 36 x 4 x 4 Inches Outer Diameter (Inner Diameter 3.5 x3.5 Inches), Metal Black Powder Coated Post Stake Ground, for Mailbox Deck Garden Railing
VEVOR Fence Post Anchor Ground Spike, 4 Pack 36 x 4 x 4 Inches Outer Diameter (Inner Diameter 3.5 x3.5 Inches), Metal Black Powder Coated Post Stake Ground, for Mailbox Deck Garden Railing
VEVOR Fence Post Anchor Ground Spike, 4 Pack 36 x 4 x 4 Inches Outer Diameter (Inner Diameter 3.5 x3.5 Inches), Metal Black Powder Coated Post Stake Ground, for Mailbox Deck Garden Railing
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VEVOR Fence Post Anchor Ground Spike, 4 Pack 36 x 4 x 4 Inches Outer Diameter (Inner Diameter 3.5 x3.5 Inches), Metal Black Powder Coated Post Stake Ground, for Mailbox Deck Garden Railing VEVOR Fence Post Anchor Ground Spike, 4 Pack 36 x 4 x 4 Inches Outer Diameter (Inner Diameter 3.5 x3.5 Inches), Metal Black Powder Coated Post Stake Ground, for Mailbox Deck Garden Railing
VEVOR Fence Post Anchor Ground Spike, 4 Pack 36 x 4 x 4 Inches Outer Diameter (Inner Diameter 3.5 x3.5 Inches), Metal Black Powder Coated Post Stake Ground, for Mailbox Deck Garden Railing VEVOR Fence Post Anchor Ground Spike, 4 Pack 36 x 4 x 4 Inches Outer Diameter (Inner Diameter 3.5 x3.5 Inches), Metal Black Powder Coated Post Stake Ground, for Mailbox Deck Garden Railing
VEVOR Fence Post Anchor Ground Spike, 4 Pack 36 x 4 x 4 Inches Outer Diameter (Inner Diameter 3.5 x3.5 Inches), Metal Black Powder Coated Post Stake Ground, for Mailbox Deck Garden Railing VEVOR Fence Post Anchor Ground Spike, 4 Pack 36 x 4 x 4 Inches Outer Diameter (Inner Diameter 3.5 x3.5 Inches), Metal Black Powder Coated Post Stake Ground, for Mailbox Deck Garden Railing
VEVOR Fence Post Anchor Ground Spike, 4 Pack 36 x 4 x 4 Inches Outer Diameter (Inner Diameter 3.5 x3.5 Inches), Metal Black Powder Coated Post Stake Ground, for Mailbox Deck Garden Railing VEVOR Fence Post Anchor Ground Spike, 4 Pack 36 x 4 x 4 Inches Outer Diameter (Inner Diameter 3.5 x3.5 Inches), Metal Black Powder Coated Post Stake Ground, for Mailbox Deck Garden Railing
VEVOR Fence Post Anchor Ground Spike, 4 Pack 36 x 4 x 4 Inches Outer Diameter (Inner Diameter 3.5 x3.5 Inches), Metal Black Powder Coated Post Stake Ground, for Mailbox Deck Garden Railing VEVOR Fence Post Anchor Ground Spike, 4 Pack 36 x 4 x 4 Inches Outer Diameter (Inner Diameter 3.5 x3.5 Inches), Metal Black Powder Coated Post Stake Ground, for Mailbox Deck Garden Railing
VEVOR Fence Post Anchor Ground Spike, 4 Pack 36 x 4 x 4 Inches Outer Diameter (Inner Diameter 3.5 x3.5 Inches), Metal Black Powder Coated Post Stake Ground, for Mailbox Deck Garden Railing VEVOR Fence Post Anchor Ground Spike, 4 Pack 36 x 4 x 4 Inches Outer Diameter (Inner Diameter 3.5 x3.5 Inches), Metal Black Powder Coated Post Stake Ground, for Mailbox Deck Garden Railing
VEVOR Fence Post Anchor Ground Spike, 4 Pack 36 x 4 x 4 Inches Outer Diameter (Inner Diameter 3.5 x3.5 Inches), Metal Black Powder Coated Post Stake Ground, for Mailbox Deck Garden Railing VEVOR Fence Post Anchor Ground Spike, 4 Pack 36 x 4 x 4 Inches Outer Diameter (Inner Diameter 3.5 x3.5 Inches), Metal Black Powder Coated Post Stake Ground, for Mailbox Deck Garden Railing
VEVOR Fence Post Anchor Ground Spike, 4 Pack 36 x 4 x 4 Inches Outer Diameter (Inner Diameter 3.5 x3.5 Inches), Metal Black Powder Coated Post Stake Ground, for Mailbox Deck Garden Railing VEVOR Fence Post Anchor Ground Spike, 4 Pack 36 x 4 x 4 Inches Outer Diameter (Inner Diameter 3.5 x3.5 Inches), Metal Black Powder Coated Post Stake Ground, for Mailbox Deck Garden Railing
VEVOR Fence Post Anchor Ground Spike, 4 Pack 36 x 4 x 4 Inches Outer Diameter (Inner Diameter 3.5 x3.5 Inches), Metal Black Powder Coated Post Stake Ground, for Mailbox Deck Garden Railing VEVOR Fence Post Anchor Ground Spike, 4 Pack 36 x 4 x 4 Inches Outer Diameter (Inner Diameter 3.5 x3.5 Inches), Metal Black Powder Coated Post Stake Ground, for Mailbox Deck Garden Railing
VEVOR Fence Post Anchor Ground Spike, 4 Pack 36 x 4 x 4 Inches Outer Diameter (Inner Diameter 3.5 x3.5 Inches), Metal Black Powder Coated Post Stake Ground, for Mailbox Deck Garden Railing VEVOR Fence Post Anchor Ground Spike, 4 Pack 36 x 4 x 4 Inches Outer Diameter (Inner Diameter 3.5 x3.5 Inches), Metal Black Powder Coated Post Stake Ground, for Mailbox Deck Garden Railing
VEVOR Fence Post Anchor Ground Spike, 4 Pack 36 x 4 x 4 Inches Outer Diameter (Inner Diameter 3.5 x3.5 Inches), Metal Black Powder Coated Post Stake Ground, for Mailbox Deck Garden Railing VEVOR Fence Post Anchor Ground Spike, 4 Pack 36 x 4 x 4 Inches Outer Diameter (Inner Diameter 3.5 x3.5 Inches), Metal Black Powder Coated Post Stake Ground, for Mailbox Deck Garden Railing
VEVOR Fence Post Anchor Ground Spike, 4 Pack 36 x 4 x 4 Inches Outer Diameter (Inner Diameter 3.5 x3.5 Inches), Metal Black Powder Coated Post Stake Ground, for Mailbox Deck Garden Railing VEVOR Fence Post Anchor Ground Spike, 4 Pack 36 x 4 x 4 Inches Outer Diameter (Inner Diameter 3.5 x3.5 Inches), Metal Black Powder Coated Post Stake Ground, for Mailbox Deck Garden Railing

Features & Details

  • Thickened Hard Steel: Made from thickened solid hard steel, the increased thickness significantly enhances its hardness, making the post anchor strong, durable, and resistant to deformation.
  • Corrosion and Rust Protection: The fence post spikes are coated with a powder layer that provides strong protection against corrosion and rust. It withstands the erosion from soil and rain, while also protecting the wood from rot, greatly extending its lifespan.
  • Fits 3.5” Wood: The square spike has a total height of 36 inches, a nail length of 30 inches, and an inner width of 3.7 inches. It is suitable for 3.5” x 3.5” square timber, providing excellent support.
  • Complete Set: The set includes 4 Pack, meeting your daily needs and is ideal for installing and securing fences. Not only does it offer stable support, but it also provides exceptional protection, making it the top choice.
  • Extra Secure: The post anchor ground kit comes with several nuts and screws. After inserting the spike, use these to tighten the connection between the timber and the spike, ensuring a firm fit. The timber can also be replaced after prolonged use, allowing for recycling without the need to repurchase.

Frequently Bought Together

Reviews 4.6
All reviews are from verified purchases
Average rating based on 23 reviews

James
Reviewed on Mar 17,2024
Product has been holding up well for some post for lights in the back yard. More durable than the box store steel posts. Next project will be small pergola for the fire pit.
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Liam
Reviewed on Mar 17,2024
Used for installing fence post, very easy to do for myself without help
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Abigail
Reviewed on Mar 05,2024
These are great anchors to keep your 4x4's from rotting in the ground. They are strong as heck and priced very good.
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Olivia
Reviewed on Feb 24,2024
We needed to put some fence posts near several trees and that means some tough digging through tree roots. I ordered these and my husband was really pleased with them.
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Alexander
Reviewed on Feb 24,2024
These are excellent for setting fence posts where concrete cannot be used. They also work great for making other things like flag pole posts. I built one for my dad so that he didn’t have to screw the flag mount through his metal siding.
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Micah
Reviewed on Feb 22,2026
These worked pretty good. I am building a fence around a raised garden bed area for my partner. 42ft x 48ft with 4x4 posts every 6ft. I bought 48 of these. The only issue I ran into was I put some crushed stone down as a base and when hammering these they tend to twist due to rocky ground. Had to pull several up and re-hammer to get somewhat straight into the ground. Much easier than digging post holes, and using concrete. Once they were fully sunk they were alot sturdier than I expected.
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Stephen
Reviewed on Jan 27,2026
Worked great. I would recommend adding space between clamp so that you dont over tighten to where the brack bends. And also once you have set, drill a small hole on one side of bracket and run a screw through bracket directly into post.
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BatchBBQ
Reviewed on Jan 11,2026
Excellent product !!! Makes it a whole lot easier than digging a hole in very rocky ground ; I would definitely recommend getting these for anything related to floating decks / gardens / water hose reels
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Anthony K
Reviewed on Sep 23,2025
Work well. Hold 4*4. Make sure to level as knocking in because they go decently deep and won't be easy to move after
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Romel S.
Reviewed on Sep 08,2025
Cant beat the price. Arrived a day earlier than expected. Well packed inside. Even though the box is not in a good shape. I will definitely buy from the company again.
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See all 23 reviews

About this item

Product specification
Model
FX-3.5-36-4
Fit Lumber Size
3.5in / 89 mm
Total Height
36in / 914 mm
Quantity
4pcs
Nail Length
30in / 762mm ±10mm
Material Thickness
Nail Board
Main Material
Steel
Net Weight (with Accessories)
14.62lb / 6.63kg
Product Dimensions (L x W x H)
4.45x4.45x36.02in / 113x113x915 mm
Description
Secure & Endure: The Ultimate Protection for Your Outdoor Spaces!
The fence post spikes are made of high-hardness steel and coated with a corrosion-resistant powder coating, which withstands wind and sun exposure. Widely used, they are the ideal tool for supporting and protecting outdoor fences and similar structures.
This fence post spike features a V-shaped bottom design for effortlessly penetrating the ground with its sharp shape, ensuring convenience and speed.
To prevent scratches during use, the spike is designed with anti-sharp edges, making it smooth and burr-free. It's safe for bare-hand installation and very considerate.
Designed to withstand all year round of exposure to the elements, the spike uses a solid design, not only effectively preventing wood decay but also keeping the wood stable and shake-free.
Installation is easy—no digging or cement needed. Position the spike, add a wood block, and hammer away. Check for level after a few strikes, drive it fully into the ground, and replace with the fence post.

Thickened Hard Steel for Enhanced Durability

The VEVOR fence post anchor is made from thickened solid hard steel, which increases its hardness, making it strong and resistant to deformation. Therefore, this extra toughness ensures your fence stays secure and stable. The increased thickness also adds to its longevity. It makes it a reliable choice for any outdoor project. Whether you are anchoring a mailbox, deck railing, or garden fence, the post anchor provides robust support. This metal poststake can easily handle heavy-duty tasks with solid construction. Therefore, your investment lasts for a long time.


Comprehensive Corrosion and Rust Protection for Longevity

This coating withstands soil and rain erosion, and it protects the wood from rot. The powder layer is a barrier, keeping moisture from reaching the steel. This greatly extends the anchor's lifespan. You won't have to worry about rust compromising the strength of your fence. This protection ensures that the post anchor stays in good condition for years. That means less maintenance and fewer replacements, saving you time and money.


Perfect Fit for 3.5” Wood, Ensuring Sturdy Support

The VEVOR fence post anchor's inner width of 3.7 inches is a perfect fit for 3.5” x 4.5” square timber. This design ensures excellent support for your fence. The snug fit prevents any movement or wobbling of the timber, making this stability crucial for maintaining the integrity of your fencing. Also, the post anchor is compatible with various wood sizes, giving you project flexibility. So, this mailbox post anchor is a versatile choice for different applications. Whether working with a mailbox or installing a garden fence, this post anchor provides reliable support.


Complete Set of 4 Pack for Immediate Installation

The VEVOR fence post anchor comes in a complete set of 4 packs. This set meets your daily needs and is ideal for installing and securing fences. Each pack includes everything you need to get started. This makes the installation process quick and easy, so you won't have to buy additional parts separately. The full set ensures you can start your project immediately. This saves time and effort. Also, it ensures that all components are compatible, providing the best installation experience.


Additional Nuts and Screws for Extra Secure Fit

The post anchor ground kit includes several nuts and screws. After inserting the spike, use these to tighten the connection between the timber and the surge. This ensures a firm fit and prevents any movement or loosening over time. The additional hardware adds an extra layer of security. That makes your fence more stable and less likely to fail. You can tighten the link as needed, ensuring it stays secure. Also, this deck railing anchor allows for easy timber replacement if needed. Therefore, this makes the post anchor more versatile and long-lasting.


Recyclable Design, Allowing for Timber Replacement

The VEVOR fence post anchor has a recyclable design, meaning the timber can be replaced after long use. You won't need to buy the whole post anchor again. It is more environmentally friendly. Also, it saves you money by not having to replace the entire system. The recyclable material ensures that the post anchor stays effective. Due to this flexibility, we can also make it dependable for long-term use.


Ideal for Various Applications Including Mailbox, Deck, and Garden

This ground spike can be used for mailboxes, deck railings, and garden fences. Its versatility makes it a valuable addition to any outdoor project. Whether you need to secure an IPC mailbox or support a JGB garden railing, this post anchor is up to the task. You get stable and reliable support for all your needs. This allows them to work in various fields. With its strong construction, it can handle various tasks easily. So, no matter what you do with this tool, whether you're a homeowner or a contractor.


Product guides and documents
User manual-en (PDF) Review

Questions and Answers (8)

I love this concept, but what is the best way to drive these spikes into the ground? I imagine you have to sledgehammer them in or something, but won't that damage the bracket? What do you recommend?
It is recommended that you put a wooden block under it.
By vevor
Helpful ( 1 )
Are they compatible with composite deck posts?
I did not find any information about compatibility with composite deck posts in the product description. However, customers have mentioned these ground spikes are suitable for 3.5" x 3.5" square timber posts.
By Amanda Scott
Helpful ( 0 )
Are they suitable for soft soil conditions?
While the product description doesn't mention soft soil suitability, customers state that they break when hammered into compact clay soil.
By Oscar Harvey
Helpful ( 0 )
How deep should they be inserted into the ground?
I did not find any reviews or other information specifying how deep these fence post anchors should be inserted into the ground. The product description states these are 36 inches tall with a 30 inch nail length, but does not provide guidance on recommended insertion depth.
By Quentin Eugen
Helpful ( 0 )
Can they be used in concrete?
I did not find any information about using these spikes in concrete. However, the ground spikes are made of durable steel with a powder coating to resist corrosion, and they are designed to securely anchor fence posts in the ground.
By Jeffrey Lucas
Helpful ( 0 )
FXDD35YC36YCP7NVLV0

VEVOR Fence Post Anchor Ground Spike, 4 Pack 36 x 4 x 4 Inches Outer Diameter (Inner Diameter 3.5 x3.5 Inches), Metal Black Powder Coated Post Stake Ground, for Mailbox Deck Garden Railing

4.6 23 Reviews
$ 54 99
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