Are you planning to buy treated post caps, and are you confused about the options ? You have landed on the right page.

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Our Top Picks:

Best Overall: Buy: Decorex Hardware Treated Post Cap READ REVIEW

Best For Perfect Match: Buy: Deckorators Treated Post Cap READ REVIEW

Best For Easy Installation: Buy: Jsp Manufacturing Treated Post Cap READ REVIEW

Best For Worth The Money: Buy: Fence Supply Online Treated Post Cap READ REVIEW

Best For Great Finish: Buy: Wearpro Post Caps Treated Post Cap READ REVIEW

Best For Stainless Steel: Buy: Fence Supply Online Post Cap READ REVIEW

Best For Inner Diameter: Buy: Plum Fittings Post Cap READ REVIEW

Best For Nails: Buy: Jsp Manufacturing Treated Post Cap READ REVIEW

Best For Wooden Fence Post: Buy: Wearpro Post Caps Post Cap READ REVIEW

Best For Pressure Treated Material: Buy: Deckorators Newport High Pyramid Post Cap READ REVIEW

Best With Hole: Buy: Plum Fittings Treated Post Cap READ REVIEW

Best Overall: Decorex Hardware Treated Post Cap

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The look and feel of these caps are consistent with the high quality we're used to from the rest of Decorex Hardware's lineup. The Decorex Hardware Treated Post Cap is a great way to keep the deck and fences in great shape. This post cap model (dhppc60) is made of a high quality cast aluminum with a black powder coated finish, making it a great combination of style and durability, giving your fence a unique touch that catches attention. The screws attached to the product are made of stainless steel, which provides complete protection against rusting.

The cap is very solid, looks really nice and it is very durable. Lastly, the decorex hardware treated post cap will not work with actual 5.5" x 5.5" posts.

Almost all customers agree that the cap fits the 3.5" post perfectly and also it is a nice finishing touch. Furthermore, a few also found that the cap fits a 4x4 that is approximately 3.5 x 3.5 perfectly. Moreover, a few say that the cap is black, as is the mailbox, so the stained wooden framework looks a lot more finished.

• This is great with a reasonable price, is great for a great price and it is painted black.
• It looks very solid and it fits well.
• This is easy to install with the 2 screws provided, and looks good.
• These fit perfectly with no wiggle room.

Best For Perfect Match: Deckorators Treated Post Cap

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Compared with other caps in this category, the Deckorators Treated Post Cap has a convenient design. The deckorators treated post cap look awesome, It provides great value and has a durable design. Make sure this fits by entering your model number. The newport classic post cap is specifically designed for use with posts measuring 3 - 1/2 " x 3 - 1/2.

The cap is built to last, it’s been pressure treated, ensuring a long life. Most importantly, the deckorators treated post cap is functional and it is made with quality end caps.

Almost all customers agree that the cap is a fine piece of cabinet making, all mitered corners matched perfectly. Also, they say that the cap comes with a pretty rough finish, to match an outdoor cedar fence post.

• This is perfect and looks absolutely great.
• Inside dimensions are 3-5/8” x 3-5/8”.
• This is best for painted applications.
• This will fit directly on top of a post measuring 3-1/2-by-3-1/2-inch.

Best For Easy Installation: Jsp Manufacturing Treated Post Cap

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Next on the list, we've got yet another cap that manages to win our hearts. It's the Jsp Manufacturing Treated Post Cap and it's widely considered as one of the most convenient caps you can buy. The jsp manufacturing treated post cap can be painted, must use a paint that adheres to plastic. If your post measures less than 4x4, 4x6, or 6x6, then it is a nominal post. Moreover, it is designed for easy installation, is ideal for heavy duty and it adds a finishing touch.

Most importantly, the jsp manufacturing treated post cap is available in both black and it is good for real copper.

Almost all buyers opine that the cap is a perfect fit for a 4" x 4" post. Moreover, a few say that the cap can be used on dog fence and porch posts, fit standard 3 1/2 square posts with beveled tops on some.

• This is strong, is designed for a great price and it is made with excellent quality.
• Multipack quantity item - please verify correct quantity needed.
• New and hot releases.

Best For Worth The Money: Fence Supply Online Treated Post Cap

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We would, of course, be remiss if we didn't mention Fence Supply Online Treated Post Cap for daily usage. The fence supply online treated post cap is made with great quality and it is made of durable plastic. Take time to measure your post. Not all 4x4 posts are the same dimension. These black fence post caps are for a standard 4x4 wood fence post (3.5"x3.5") This cap measures 3 5/8"x 3 5/8.

Most importantly, the fence supply online treatedpost cap is great for a great appearance and it is useful.

Almost all buyers opine that the cap fits treated posts perfectly. Further, a few say that the cap is easy to install dealt with the owner standup guy great customer service.

• It is elegant and it fits perfectly.
• This is a perfect fit for 4x4 pressure treated posts.
• This allows rotting to begin faster than usual.
• This is made in usually easy nails or screws on.

Best For Great Finish: Wearpro Post Caps Treated Post Cap

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We would, of course, be remiss if we didn't mention Wearpro Post Caps Treated Post Caps for regular use. The wearpro post cap treated post cap has features for very good quality, It is attractive and has an attractive design. Why buy plastic when you can install aluminum. Further, the cap looks really nice, fits perfectly, it is solar and has a good design.

The cap allows for easy installation, it is decorative and has a clean design. In addition, it is good for lifetime warranty and it is ornamental. Most importantly, the wearpro post caps treated postcap fits standard 4x4 mailbox, deck, lamp post, dock and piling posts.

Almost all customers found that the cap does not overlap the post by more than 1/2" at best. In addition, they strongly agree that the cap looks good quality otherwise. Furthermore, a few also found that the cap fits perfectly on the 4x4 post. So, customers were very happy to recommend it to friends and would-be buyers.

• This is made of sturdy cast aluminum.
• This allows for good thick metal, It looks great and has an elegant design.
• This covers 5/8” of an inch.
• [Ornamental] decorative & attractive - classy look dresses up your fence, deck or dock!.

Best For Stainless Steel: Fence Supply Online Post Cap

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Fence Supply Online line of caps comes in a pretty wide variety of styles, so you can definitely find one that suits your individual preferences and needs. The Fence Supply Online Post Cap looks really nice and it provides great value. Make sure this fits by entering your model number. These black fence post caps are for a standard 4x4 wood fence post (3.5"x3.5") This cap measures 3 5/8"x 3 5/8.

The cap is used black plastic, is made for ease of use, It is designed for great price and has a purpose design. Lastly, the fence supply online post cap allows rotting to begin faster than usual.

Most customers quickly discovered that the cap came with a rubber washer attached that would keep any water from getting beneath the screw head, down into the hole and onto the top of the post. Moreover, a few say that the cap is easy to install, has a pre-drilled hole which makes installing very easy.

• This will sit a little lower than a flat top cut but will work fine.
• This is used to make them have a nice finished appearance like snap - covered.
• It is great to be natural with stained wood.
• These are inexpensive, and give the posts a nice finished look.

Best For Inner Diameter: Plum Fittings Post Cap

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Plum Fittings makes beautiful and great caps with classic and smartly chosen materials. The Plum Fittings Post Cap fits standard 4x4" posts, and has a nail-in-place installation style that enhances the stability and lengthens the lifespan of this high-quality, fence post cap. Make sure this fits by entering your model number. These black post caps are designed to fit 4"x 4" pressure treated wood posts and have a pre-cut nail hole to make installation a breeze.

The cap allows for easy install and it works great. Above all, the plum fittings post cap comes in either 32 or 54.

Almost all buyers opine that the cap fits the center hole perfectly. Moreover, they strongly agree that the cap fits a treated 4x4 perfectly. Further, a few say that the cap is easy to install on top of a “4x4” post with a small diameter #6 zinc screws. In short, for almost all buyers, Plum Fittings product was the most suitable.

• This is super simple and you will figure it out once you see it.
• This is suitable for inner diameter, is very durable and it is decorative.
• New and hot releases.

Best For Nails: Jsp Manufacturing Treated Post Cap

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We know from years of feedback from readers, amazon sellers, and family and friends what most people want in a convenient and appropriate cap. The Jsp Manufacturing Treated Post Cap is exactly that - it's a simple cap that hits all the right notes. The jsp manufacturing treatedpost cap looks good, it looks great and has a durable design. Please make sure to measure your post. In addition, the cap is easy to attach and it provides great value.

The cap is attractive and it is solar. Above all, the jsp manufacturing treated post cap can be painted, must use a paint that adheres to plastic.

Almost all buyers opine that the cap is a little more than double the cost (for an 8-pack) but they look amazing. And, they say that the cap fits with the inside diameter of the cap. To sum up, at the price, they believe that they got a steal of a deal with it.

• This is much cheaper, it fits well and has an attractive design.
• This can be painted, must use a paint that adheres to plastic.
• This can be secured with nails or glue, should be pre-drilled if secured with nails.
• 6X6 (5-5/8" x 5-5/8") plastic black fence post caps - quantity: 10 pack.

Best For Wooden Fence Post: Wearpro Post Caps Post Cap

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Next on the list, we've got yet another cap that manages to win our hearts. It's the Wearpro Post Caps Post Cap and it's widely considered as one of the most convenient caps you can buy. The wearpro post caps post cap comes with great service, It looks really nice and has a solid design. Why buy plastic when you can install aluminum. Further, the cap fits a standard 4x4 mailbox, deck, lamp post, dock and piling posts.

Most importantly, the wearpro post caps postcap is made of sturdy cast aluminum.

Almost all customers found that the cap is made with an easy fit to post. Moreover, a few say that the caps are not tight or snug to install. Further, a few say that this post cap is 3-5/8" x 3-5/8" as most 4x4's are 3-1/2" square. Overall, most buyers agree that the cap suits them best, and no one questions it.

• This includes 2 wooden screws plus it fits snugly on top of the 4x4.
• This comes with quality caps, allows for quick install and it is attractive.
• [Ornamental] decorative & attractive - classy look dresses up your fence, deck or dock!.
• This will fit a post that has nominal 4x4 or 3.5x3.5” dimensions.

Best For Pressure Treated Material: Deckorators Newport High Pyramid Post Cap

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Not everyone likes to purchase a cap for their regular use, but the Deckorators Newport High Pyramid Post Cap would be an anomoly. The deckorators newport high pyramid post cap is green and it is solar. Make sure this fits by entering your model number. The cap measures 4 ” x 4 ”, with the inside dimensions measuring 3 - 5/8 ” x 3 - 5/8.

The cap features a pressure treated base, making it extremely durable and able to withstand outdoor weather conditions. Most importantly, the deckorators newport high pyramid post cap is suitable for pressure treated material, It is built with amazing craftsmanship and has a durable design.

Most customers quickly discovered that the cap fits around the post and also it is great with no issues. Also, a few strongly agree that the cap looks great on top of the deck posts. In addition, they strongly agree that the cap can be sanded, stained, or painted.

• Inside dimensions are 3-5/8” x 3-5/8”.
• This is perfect even on the old warped wood.
• It is stylish, is made with excellent workmanship, it looks great and has a good design.

Best With Hole: Plum Fittings Treated Post Cap

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The Plum Fittings Treated Post Cap might be a relatively new release, but it's still nothing short of impressive this year, thanks to multiple price cuts and added new features over the past few iterations. The plum fittings treated post cap features a black polypropylene construction that is both weather and uv resistant, for long-lasting color and performance. These caps will not only add a sleek look to your new fence or deck, but will be able to withstand the elements for years to come. These black post caps are designed to fit 6"x 6" pressure treated wood posts and have a pre-cut nail hole to make installation a breeze.

The cap fits externally onto the fence post and only requires one screw for sturdy installation. Finally, the plum fittings treated post cap is great with fast shipping, is very good, it looks great and has a classy style.

One customer says - "These are a good tight fit to keep a 6x6 wooden fence post from water rotting from the top down. ". Most buyers agree that the cap measures 2.5" x 2.5 plus it has a reflective finish that paint will not adhere to well.

• This provides for easy install, It is designed for a great price and has a good design.
• Lot of satisfied buyers.