Is the 3.4" pictured measurement wrong; are these actually for 3.625" standard 4"x4" posts?

I am not sure of the actual measurement. I do know that the treated, and cedar 4x4 commercial posts that I used to construct a solar panel rack, worked just fine in these anchors. A really solid connection too.

will drill hole in concrete to set these. what type of glue do I need to secure them & will it be possible to remove them in future? in t

You will need a strong cement glue,Amazon sell glue for these. it you have to remove it you mite have to use sawsall or angle grinder.

Can I pound these into dirt? I want to use with 4x4 garden totems?

You can but if the totems are too top heavy the anchor will pull out. You may want use cement. I used them to build a fence but I alternated the smaller anchors with 2 foot ground spikes in cement.

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BISupply Concrete Post Anchor 4x4 Post Base Spike 4 Pack - U Shape Fence Post Holder Pergola Brackets Deck Post Base Set

BISupply Concrete Post Anchor 4x4 Post Base Spike 4 Pack - U Shape Fence Post Holder Pergola Brackets Deck Post Base Set

Product ID: 223424013

Details

Brand
BISupply
Color
multi-color
Material
Alloy Steel
Product Dimensions
1.57"L x
Style
Tube

📏10-inch total height

🔩4 predrilled holes

🛠️Durable steel construction

Description

🏗️ Anchor Your Ambitions!

BUILT TO ENDURE - Crafted from durable steel with a sleek black powder coat finish for long-lasting performance.
COMPLETE PACKAGE - Includes 4 robust post holders—everything you need to secure your outdoor projects.
STURDY RELIABLE - Engineered for maximum stability, these anchors ensure your posts stand tall against the elements.
VERSATILE APPLICATIONS - Perfect for decks, patios, pergolas, and gazebos—wherever you need a solid post foundation.
EFFORTLESS INSTALLATION - Set it and forget it! Easy installation with predrilled holes for a hassle-free setup.

The BISupply Concrete Post Anchor 4x4 Post Base Spike 4 Pack is designed for securing standard 4x4-inch posts in various outdoor applications. Each anchor features a durable steel construction with a black powder coat finish, ensuring longevity and stability. With 10 predrilled holes for easy installation, these anchors are perfect for decks, patios, pergolas, and more, providing a reliable foundation for your outdoor projects.

Specifications

ASIN	B08C8RLYGV
Best Sellers Rank	#656,621 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1,276 in Decking Posts & Accessories
Brand Name	BISupply
Color	multi-color
Customer Reviews	4.6 4.6 out of 5 stars (245)
Item Dimensions L x W	1.57"L x 1.57"W
Item Weight	2.77 Kilograms
Manufacturer	BISupply
Manufacturer Part Number	800161
Material Type	Alloy Steel
Model Number	BIS-800161
Number of Pieces	1
Recommended Uses For Product	Deck, patio, pergola, gazebo; for posts up to 4 feet high
Special Features	Two installation methods
Style Name	Tube
UPC	840145800161
Unit Count	1.0 Count

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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