Top 10 Best post caps 4x4 in 2026

Last Updated - 6/11/2026

🏆Best Choice

Tandefio

Tandefio 4 Pcs 4x4'' (Actual 3.5x3.5'') Solid Copper Post Caps Fence Pyramid Decking Caps with Screw for Metal Wood Cedar Fence Deck Corridors Mailbox Posts End Cover

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•Comprehensive Package Offering: you will receive 4 solid copper pyramid post caps, each post cap is equipped with 2 screws, providing you with required components needed to install the post caps on your own
•Impressive Fittings and Dimensions: the solid copper pyramid post cap is designed to fit on about 3.5 x 3.5 inch square posts, with sleek outer dimensions of about 3.66 x 3.66 inch and a height of about 1.26 inch, the cap retains an appealing look while offering a snug fit to your fence posts; Check the size before ordering
•Quality Material Construction: crafted from solid copper, our post cap offers reliable cover and adds an aesthetic appeal to your fence, coming with attributes like UV and heat resistance, non corrodible; Over time, the copper will turn green, taking on a stately antique look; If you would like to retain the polished look, simply spray the copper post caps with a clear lacquer outdoor spray; These copper post caps will last a lifetime with no maintenance required
•Practical Attachment Options: the installation process of our 3.5 x 3.5 fence post caps requires pre drilled holes in the column for screw fastening for ease, further flexibility is offered as you have the option to apply these with adhesives like glue or silicone apart from the provided matching screws
•Robust Structure: place an emphasis on the structural integrity of your fence with our 3.5 x 3.5 solid copper pyramid post caps, built with a sturdy design that holds up well against the test of time and weather, ensuring they do not easily deform or break

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$29.99

$34.99

-14%

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Blulu

Blulu 2 Pcs 4''x4'' (Actual 3.5''x3.5'') Solid Copper Pyramid Post Cap Fence Pyramid Decking Caps for True/Actual Metal Wood Cedar Fence Deck Corridors Mailbox Posts End Cover

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•Generous Package Offering with a Touch of Elegance: with this package, you are set to receive 2 solid copper pyramid post caps; These are solid copper, presenting not only durable functionality but also an elegant appeal; Over time, the copper will age into an aesthetically pleasing patina, enhancing your outdoor space's overall look
•Exquisite Fittings and Dimensions: beautifully designed, each solid copper pyramid post cap fits with precision on about a 3.5 x 3.5 inch (meant for 4 x 4 inch) square post; The inside dimensions stretch to about 3-5/8 x 3-5/8 inch inches with about 1-1/2 inch height; These measurements combine to offer a sleek look and snug fit on your posts; Note to check the size before placing an order
•Exceptional Material Quality Crafted: from the finest solid copper, our solid copper pyramid post caps offer an unmatched aesthetic appeal; With UV and heat resistant qualities, it not only combats corrosion but also develops a patina over time that enhances your fence style
•Easy and Convenient Attachment Options: our 4 x 4 solid copper post cap installs with ease; Simply apply outdoor adhesive on the inside lip of the cap; Alternatively, you could drill a hole for screw installation; This flexible installation option adds convenience and seamless attachment to your posts
•Robust Structure for Enduring Stability: enhance the structural integrity of your fence with our sturdy 4 x 4 solid copper pyramid post caps; They are designed to withstand both time and weather conditions, ensuring they neither deform nor break easily, providing long-lasting use

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$14.98

$15.98

-6%

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HLC

4x4 Post Point Cap - Solid Copper - Designed to fit Over a 3-1/2" x 3-1/2" Fence Post Top

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•THIS LISTING IS FOR 1 CAP - Made of solid copper that will age to a patina over time
•Fits 3-1/2" x 3-1/2" wood post (standard 4 x 4). WILL NOT FIT A FULL 4x4 POST
•Actual base opening is 3-5/8" with a 3/8" lip and overall height of 1-1/2".
•INSTALLATION: Installs easily with a little adhesive (not included) applied to the inside 3/8" lip of the post point.

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$8.25

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Captiva

4x4 Copper Pyramid Post Cap - Extended Lip - Solid Copper - Will Patina Naturally (3-1/2" x 3-1/2")

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•✅ FITS STANDARD 4x4 POSTS (3.5” x 3.5”) Designed for a precise fit on nominal 4x4 wood posts which actually measure 3.5". Compatible with pressure-treated pine, cedar, redwood, and more.
•✅ 100% SOLID COPPER – NOT PAINTED OR PLATED Made from true 20-gauge copper for long-lasting durability and authentic appearance. No coatings, no imitations—just real copper that performs.
•✅ EXTENDED ¾" SKIRT & HIGH POINT PYRAMID PEAK The deeper skirt provides a snug, secure grip that holds tight over time. A taller peak offers bold dimension and an upscale finish.
•✅ NATURAL PATINA PROCESS – NO FADING OR CHIPPING Copper naturally weathers to a rich green patina over time. Unlike painted or coated metals, it won’t peel, chip, or lose its character.
•✅ EASY INSTALLATION – MATCHING SCREWS INCLUDED Each cap includes copper-plated stainless steel screws and pre-drilled holes for fast, flush, and secure installation—no tools beyond a drill required.

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$14.99

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XLWJBES

2 Pcs Copper Fence Post Caps with Screw, 4x4''(Actual 3.5x3.5'') Copper Post Cap for Metal Wood Cedar Deck Corridors Mailbox End Cover

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•Size: Pure copper pyramid post caps can be mounted on square posts of approximately 3.5 x 3.5 inches, with an outside dimension of approximately 3.76 x 3.76 inches and a height of approximately 1.26 inches. Please check the size before placing an order.
•Premium Quality Material: Our pyramid post caps are made of pure copper, which ages over time to form a beautiful patina that not only provides reliable protection, but also adds beauty to your fence.
•Easy To Inatall: Our 3.5 x 3.5 fence post caps can be installed by either pre-drilling holes in the posts for screws or by applying an outdoor adhesive to the inside lip of the post cap.
•Strong Construction: The sturdy construction of our 3.5 x 3.5 solid copper pyramid post caps stands up to all types of weather and protects the integrity of the fence post.
•Package Content: You will receive 2 solid copper pyramid post caps and 4 screws. If you have any questions about the product you can ask us by ema

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$15.95

$16.95

-6%

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Intotal

4x4 Post Point Cap - Solid Copper (3-1/2" x 3-1/2") - 10 Pack

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•Pack of 10 Brushed 100% Solid Copper Post Caps.
•Fits 3-1/2" x 3-1/2" wood post (standard 4 x 4).
•Actual base opening is 3-5/8" with a 3/8" lip and overall height of 1-1/2".
•Applies easily with a little adhesive on the inside 3/8" lip of the post point.

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$69.90

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Myard

Myard Screw-Free Universal Fence Pyramid Top Cap fits Post 4 x 4 Inches (Actual Post Size 3.5 x 3.5) Porch, Handrail, Railing, Fence (Qty 1, Red Mahogany)

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•▼ *** IMPORTANT: Fits standard posts of 4x 4 (actual 3.5"x 3.5") inches. See images, or ask us if any questions before ordering. Thanks.
•▼ Matte/fog surface on top; Matte/fog surface on bottom base.
•▼ 5 holes at bottom base for gluing on 4"x 4" post. (see images)
•▼ Screw-FREE (Nail-FREE) installation. ONE-PIECE structure, solid and durable. Pack of 1. Sanding / trimming may be required depending on post type and little size error.
•▼ Patented. ▼ Made from HIGH impact, UV stable (anti-UV) ABS resin. Same as Golf Course Sprinkler head.

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$6.95

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Deckorators

Deckorators 72223 Victoria High Point Copper Post Cap with Treated Base (Nominal 4"x4")

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•Add some shine to your deck, fence, porch or mail box post
•provides a classic look with a modern twist
•Durable treated wood base, metal top
•Fits 4 by 4 nominal post measuring 3.5 by 3.5 inches
•Protects wood posts from the elements

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$26.40

$27.79

-5%

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Tandefio

Tandefio 2 Pcs 4x4'' (Actual 3.5x3.5'') Aluminum Pyramid Post Caps Copper Plating Fence Pyramid Decking Caps with Screw for Metal Wood Fence Deck Corridors Mailbox Posts End Cover

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•Comprehensive Package Offering: you will receive 2 pcs aluminum pyramid post caps, each post cap is equipped with 4 screws, providing you with required components needed to install the post caps on your own
•Impressive Fittings and Dimensions: the aluminum copper post cap is designed to fit on about 3.5 x 3.5 inch square posts, with sleek outer dimensions of about 3.66 x 3.66 inch and a height of about 1.26 inch, the cap retains an appealing look while offering a snug fit to your fence posts; Check the size before ordering
•Quality Material Construction: made of cast aluminum with copper plating, our post cap offers reliable cover and adds an aesthetic appeal to your fence, coming with attributes like UV and heat resistance, non corrodible; If you would like to retain the polished look, simply spray the copper post caps with a clear lacquer outdoor spray; These copper post caps will last a lifetime with no maintenance required
•Practical Attachment Options: the installation process of our 3.5 x 3.5 fence post caps requires pre drilled holes in the column for screw fastening for ease, further flexibility is offered as you have the option to apply these with adhesives like glue or silicone apart from the provided matching screws
•Robust Structure: place an emphasis on the structural integrity of your fence with our 3.5 x 3.5 copper plating post caps, built with a sturdy design that holds up well against the test of time and weather, ensuring they do not easily deform or break

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$23.99

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Patioer

Patioer 4x4 Solid Copper Post Caps, Fence Pyramid Decking Caps for (Actual 3.5" x 3.5") Fence Wood Post of Decks or Corridors, 4 Pack

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•Complete 4-Pack with Hardware - Includes 4 solid copper pyramid caps & 8 corrosion-resistant screws—everything needed for instant installation on 3.5"×3.5" fence posts
•Fit for 3.5" Square Posts - Cap Dimensions: 3.66"×3.66" (base) × 1.26" (height). Snug Design: Engineered to wrap neatly over standard posts. Always verify post size before ordering
•Lifetime Luxury Material - Crafted from solid copper that: Naturally develops a stately antique patina (green oxidation) over time. Optional: Preserve the shine with clear lacquer spray. Zero maintenance UV/heat resistant Non-corrosive
•Flexible Installation Options - Mount with: Included screws (pre-drill required). Adhesives (silicone/glue) for drill-free application
•Weatherproof Structural Integrity - Heavy-duty pyramid design withstands: Extreme temperatures Heavy snow High winds. Resists bending/breaking for decades.

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$32.99

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