What is the reason for the 1" or so wide slit in the underside of the 3-way bracket? I see similar brackets without this slit.

When you put the 4x4 boards in the square metal brace opening with the slits it allows the metal braces to be squeezed on to the 4x4 boards when you screw them together for a more secure fit.

What is the maximum length beam you can use?

I don't know the maximum but I am using 16 foot beams with no problem.

Are they strong enough to add a porch swing to it?

Yes. I would feel safe installing a porch swing from our 4 x 4s installed between these brackets. The metal construction of these brackets is solid.

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🏡 Elevate your outdoor build with heavy-duty confidence!

ROCK SOLID STABILITY - Thick powder-coated steel resists rust and ensures long-lasting support for your 4x4 posts.
BUILT TO BEAR THE WEIGHT - Engineered to hold up to 2000 lbs, perfect for pergolas, decks, and outdoor structures that demand strength.
VERSATILE OUTDOOR ESSENTIAL - Ideal for pergolas, decks, fences, and railings—upgrade any outdoor space with confidence and style.
PRECISION FIT FOR 4 X 4 LUMBER - Designed with a 3.9x3.9 inch inner diameter to snugly fit standard 4x4 posts, ensuring a secure and professional finish.
ALL INCLUSIVE INSTALLATION KIT - Comes with expansion bolts, self-tapping screws, and a wrench—everything you need for a hassle-free setup.

This 4-pack of 4x4 inch post base brackets features 0.1 inch thick powder-coated steel designed to prevent rust and provide durable support. Each bracket fits standard 4x4 lumber with a 3.9x3.9 inch inner size and can support up to 2000 lbs. The package includes all necessary hardware—16 expansion bolts, 32 self-tapping screws, and a wrench—for easy installation on concrete surfaces. Perfect for pergolas, decks, fences, and railings, these heavy-duty brackets ensure a stable, long-lasting foundation for your outdoor projects.

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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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.

RM614

Duties & taxes incl.

Malaysiastore

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

Khalid Z.

Great experience from order to delivery. Highly recommended!

1 week ago

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Item Diameter	3.9 Inches
Item Thickness	0.1 Inches
UPC	767427427963
Number of Items	4
Manufacturer	Wilkblck
Item Weight	11.28 pounds
Size	4PCS 4"X4" Post Base
Style	Heavy Duty
Finish	stainless steel
Cutting Diameter	3.9 Inches
Batteries Included?	No
Batteries Required?	No

4×4" Post Base 4PCS Deck Post Brackets,Heavy Duty Powder-Coated Steel Post Bracket Fit for Outdoor Pavilion, Deck Railing,Support Deck Base Plate,Pergola

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