Search  for anything...

CRIZTA 4Pcs 24" Heavy Duty 4x4 Fence Post Anchor Ground Spike Metal Black Powder Coated - Mailbox Post Anchors. Length: 24 inches, Outer Dimension: 4” x 4” (Fit 3.5” x 3.5” Square Wood Post)

  • Based on 158 reviews
Condition: New
Checking for product changes

Buy Now, Pay Later


As low as $8.33 / mo
  • – 6-month term
  • – No impact on credit
  • – Instant approval decision
  • – Secure and straightforward checkout

Ready to go? Add this product to your cart and select a plan during checkout. Payment plans are offered through our trusted finance partners Klarna, PayTomorrow, Affirm, Afterpay, Apple Pay, and PayPal. No-credit-needed leasing options through Acima may also be available at checkout.

Learn more about financing & leasing here.

Free shipping on this product

This item is eligible for return within 30 days of receipt

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

To initiate a return, please visit our Returns Center.

View our full returns policy here.


Availability: In Stock.
Fulfilled by Amazon

Arrives Friday, Nov 29
Order within 23 hours and 12 minutes
Available payment plans shown during checkout

Features

  • Easy Installation : Totel length: 24, fit 3.5 x 3.5 wood posts without digging holes or pouring concrete. Take a scrap piece of wood to hammer the post anchor in the ground by using a mallet or a sledge hammer and it will drive the post anchor all the way in the ground.
  • Sturdy And High Quality : The Post Anchors are Powder Coated Strong Street to last many decades to come and protect your decking wood from rotting.
  • Multiple Uses: Screw In 3.5 inch x 3.5 inch Post Anchors are Ideal for Mailbox installations, Fencing, Decks, Street Lamps, etc. The No-Dig Ground Anchor offers a faster, cleaner, and easier way to install your post. It's an ideal way to avoid digging a hole and mixing concrete, it truly is a time saver.
  • Screw In Cluded

Package Dimensions: 31 x 10 x 5.25 inches


Item Weight: 16.27 pounds


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Friday, Nov 29

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • Fantastic product
These are great if you don't want to go the route of putting something like concrete slabs in the ground Easy to get into the soil. I used a 20lbs hammer and a piece of wood to hammer them into ground We bought 4x4 (3.5x3.5 actual) and 8ft tall. And they are sturdy
Reviewed in the United States on May 24, 2023 by Marco Mare Marco Mare

  • Works as expected
Perfect choice for the project.
Reviewed in the United States on June 17, 2023 by Joseph Mihalenko

  • Metal spikes
Ten foot platform
Reviewed in the United States on February 11, 2023 by Michael E. Foster

  • install in multiple types of ground.
These things install SUPER easy into grass or other soft surfaces, They are a little tougher to install into tougher surfaces (like gravel) you van do it but you're swinging that sledge pretty good, they can also spin a little driving them into harder surfaces. but they hold great, I needed to put up a 'fence' in an area I can't dig and put concrete, so these worked well. They obviously don't hold as well as a properly set post, but they worked for me. ... show more
Reviewed in the United States on October 19, 2022 by TheTeZ

  • Solid post holder/spike, missing hardware was disappointing
Straight forward and good craftsmanship on the holder/spike itself. Half of the hardware (nuts/bolts) to secure the post to the holder were missing. Per the listing description & the price, “hardware included”, not a show stopper just disappointing.
Reviewed in the United States on January 10, 2023 by Marc Benz

  • Great 4x4 Ground Stakes
Great Price & Sturdy
Reviewed in the United States on March 6, 2023 by Capt_Cliff

  • Good quality
Good quality and easily installed with block of wood.
Reviewed in the United States on June 23, 2022 by John OToole

  • Good purchase
The fins are slightly bent so they don’t hammer in straight. Had to dig a hole 1/2 way to get the 4 posts to line up straight. Would still recommend
Reviewed in the United States on June 6, 2021 by S Myers

Can't find a product?

Find it on Amazon first, then paste the link below.