Steel DN Mate PC55 White Aluminum Pyramid Post Caps, 8 Pack

Steel DN Mate PC55 post caps are an eight-pack of white aluminum pyramid caps listed for true 4×4 vinyl or wood posts. Their stated fit excludes actual 3.5×3.5-inch posts, so check the post’s measured dimensions before ordering.

At a glance

Pyramid-shaped caps in a white finish are listed for true 4×4 vinyl or wood posts.
The listing describes aluminum construction, a double powder-coated finish and rounded edges.
The product is presented for fence, deck and patio post tops.

Price

$20.99Save 30%

Reference price: ~~$29.99~~

Price checked: Nov 14, 2026

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Pros and cons

Pros

Eight caps are listed, making the pack suitable for covering multiple posts.
The true 4×4 fit warning is explicit, helping distinguish these from caps for nominal 4×4 posts with a 3.5×3.5-inch actual size.
Low-profile 1.5-inch height and white pyramid styling suit buyers seeking a simple post-top cover.

Cons

Not suitable for actual 3.5×3.5-inch posts, despite the common nominal 4×4 designation.

Technical specifications

15 specifications

Identity
Brand	Steel DN Mate
Model	PC55

Dimensions and installation
Dimensions listed	4.1 x 4.1 x 1.5 inches
Diameter listed	4.1 inches
Wall thickness	2 millimeters
Internal width claimed	4.1"

Materials and protection
Material listed	Aluminum
Color	White
Form	Solid
Grade rating	Residential
Finish claimed	double white powder-coated finish

Pack and use
Number of items	8
Post fit claimed	true 4x4 vinyl/wood posts
Lip claimed	0.48"
Total height claimed	1.5"

What to know before buying

Listing details to confirm

Fit is stated for true 4×4 posts and not actual 3.5×3.5 posts. Measure the post and compare with the claimed 4.1-inch internal width before buying. The listing claims 8 caps and 16 screws, but no explicit package inventory is provided. Its listed item dimensions and diameter both indicate a 4.1-inch width, while the feature text separately says internal width is 4.1 inches. Confirm dimensions and included hardware in the selected listing.

Who is it for?

A good fit for

Owners of true 4×4 vinyl or wood posts who want white aluminum pyramid covers.
Buyers seeking a multi-piece set for fence, deck or patio posts.

Less suited to

Owners of actual 3.5×3.5-inch posts.
Buyers who need verified package contents or independently confirmed weather-resistance performance.

Steel DN Mate PC55 White Aluminum Pyramid Post Caps, 8 Pack · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.8 / 5 · 45 ratings

5 stars82%82%
4 stars18%18%
3 stars0%0%
2 stars0%0%
1 star0%0%

Customer feedback highlights appearance and fit as positives, with the supplied summary saying customers find the caps attractive and fitting well. That is relevant to buyers prioritizing a tidy post-top finish, but it does not confirm fit on every post size. The overall rating distribution is favorable, though ratings alone do not explain customer experiences, and no specific concerns are supplied.

Positive themes

Customer feedback summary describes the caps as attractive and fitting well.

Frequently asked questions

What post size are these caps intended for?

The listing says they fit true 4×4 vinyl or wood posts and are not for actual 3.5×3.5-inch posts. Measure your post rather than relying on its nominal size.

What material and finish are listed?

The product details list aluminum and white color. The feature text claims a double white powder-coated finish.

Are screws included?

The feature text claims 16 screws are included with the eight caps, but no explicit package inventory is supplied. Check the selected listing to confirm the kit.

What do customers report?

The supplied customer-feedback summary says customers find the caps attractive and a good fit. These reports do not establish compatibility with every post, so verify dimensions for your installation.