---
product_id: 18093451
title: "6x6 Black Flat Post Cap Most Common fits (5.5\"x5.5\") Pressure Treated Post. Newel Newport Top for Outdoor Fences, Mailboxes & Decks, by Atlanta Post Caps. Also Available in Actual 6\"x6\""
brand: "atlanta post caps"
price: "$71"
currency: NZD
in_stock: true
url: https://www.desertcart.nz/products/18093451-6x6-black-flat-post-cap-most-common-fits-5-5x5
store_origin: NZ
region: New Zealand
---

# Fits 5.5"x5.5" to 5.75"x5.75" posts Weatherproof ASA resin, 10-year guarantee Snap-on design with hidden screws 6x6 Black Flat Post Cap Most Common fits (5.5"x5.5") Pressure Treated Post. Newel Newport Top for Outdoor Fences, Mailboxes & Decks, by Atlanta Post Caps. Also Available in Actual 6"x6"

**Brand:** atlanta post caps
**Price:** $71
**Availability:** ✅ In Stock

## Summary

> 🖤 Elevate your outdoor style with the ultimate post cap upgrade!

## Quick Answers

- **What is this?** 6x6 Black Flat Post Cap Most Common fits (5.5"x5.5") Pressure Treated Post. Newel Newport Top for Outdoor Fences, Mailboxes & Decks, by Atlanta Post Caps. Also Available in Actual 6"x6" by atlanta post caps
- **How much does it cost?** $71 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/18093451-6x6-black-flat-post-cap-most-common-fits-5-5x5)

## Best For

- atlanta post caps enthusiasts

## Why This Product

- Trusted atlanta post caps brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Risk-Free Upgrade:** Backed by a 10-year guarantee and a 30-day satisfaction return policy—because your outdoor space deserves the best.
- • **Perfect Fit Every Time:** Designed for standard 6x6 pressure-treated posts with precision sizing to ensure a flawless fit.
- • **Effortless Installation:** Snap-on design with concealed screws means no hassle, no visible hardware—just sleek, clean lines.
- • **Proudly Made in the USA:** Support quality craftsmanship with a family-owned brand trusted for over 20 years.
- • **Built to Brave the Elements:** Crafted from durable ASA resin, these caps resist UV rays, rain, and temperature extremes for a decade of protection.

## Overview

The 6x6 Black Flat Post Cap by Atlanta Post Caps is a precision-engineered, weather-resistant polymer cap designed to fit standard 5.5"x5.5" pressure-treated posts. Featuring a snap-on installation with hidden screws, it offers a sleek finish and long-lasting protection backed by a 10-year guarantee. Made in the USA by a trusted family-owned company, this cap is the perfect blend of durability, style, and easy installation for fences, decks, and mailboxes.

## Description

6x6 Black Flat Post Cap Most Common fits (5.5"x5.5") Pressure Treated Post. Newel Newport Top for Outdoor Fences, Mailboxes & Decks, by Atlanta Post Caps. Also Available in Actual 6"x6"

## Features

- MEASURE POST BEFORE ORDERING - We carry the Perfect Fit for your post. These standard sized 6x6 fence post caps are for pressure treated posts measuring 5.5 inches x 5.5 inches up to 5.75 inches x 5.75 inches. We also have an ACTUAL 6"x6" version for rough cut and vinyl or composite wrapped post.
- 10-Year Guarantee: We stand behind the quality of our products and offer a 10-year guarantee, giving you peace of mind and ensuring your satisfaction with your purchase. Molded from ASA resin, caps will withstand the harshest weather conditions.
- Easy to Install: Our snap on design makes installation quick and easy. Simply place the base on the deck post, attach it to the base with the included screws, and snap the top on the base for a secure fit. That's all it takes, and the screws are hidden after installing
- Made in the USA: Our post caps are proudly made in the USA, ensuring the highest quality materials and craftsmanship. You are investing in a high-quality, long-lasting product. We are family owned and operated for over 20 years.
- Satisfaction Guarantee: We stand behind our products and offer a satisfaction guarantee. If you are unsatisfied with your purchase for any reason, return it following desertcart's 30 day return policy

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | ATLANTA POST CAPS |
| Part Number | 5555BPE |
| Item Weight | 8.5 ounces |
| Package Dimensions | 7.5 x 7.2 x 2.5 inches |
| Item model number | 5555BPE |
| Is Discontinued By Manufacturer | No |
| Size | 6x6 standard (5.5") |
| Color | Black |
| Style | Newel flat top |
| Material | Polymer |
| Shape | Square |
| Installation Method | Screw-In |
| Item Package Quantity | 1 |
| Batteries Included? | No |
| Batteries Required? | No |

## Images

![6x6 Black Flat Post Cap Most Common fits (5.5"x5.5") Pressure Treated Post. Newel Newport Top for Outdoor Fences, Mailboxes & Decks, by Atlanta Post Caps. Also Available in Actual 6"x6" - Image 1](https://m.media-amazon.com/images/I/614M-PGmfcL.jpg)
![6x6 Black Flat Post Cap Most Common fits (5.5"x5.5") Pressure Treated Post. Newel Newport Top for Outdoor Fences, Mailboxes & Decks, by Atlanta Post Caps. Also Available in Actual 6"x6" - Image 2](https://m.media-amazon.com/images/I/61FxuXuzRcL.jpg)
![6x6 Black Flat Post Cap Most Common fits (5.5"x5.5") Pressure Treated Post. Newel Newport Top for Outdoor Fences, Mailboxes & Decks, by Atlanta Post Caps. Also Available in Actual 6"x6" - Image 3](https://m.media-amazon.com/images/I/51+2GuS435L.jpg)
![6x6 Black Flat Post Cap Most Common fits (5.5"x5.5") Pressure Treated Post. Newel Newport Top for Outdoor Fences, Mailboxes & Decks, by Atlanta Post Caps. Also Available in Actual 6"x6" - Image 4](https://m.media-amazon.com/images/I/61txMJUC6EL.jpg)
![6x6 Black Flat Post Cap Most Common fits (5.5"x5.5") Pressure Treated Post. Newel Newport Top for Outdoor Fences, Mailboxes & Decks, by Atlanta Post Caps. Also Available in Actual 6"x6" - Image 5](https://m.media-amazon.com/images/I/61S5AoAvxbL.jpg)

## Available Options

This product comes in different **Size Name, Color** options.

## Frequently Bought Together

- 6x6 Black Flat Post Cap Most Common fits (5.5"x5.5") Pressure Treated Post. Newel Newport Top for Outdoor Fences, Mailboxes & Decks, by Atlanta Post Caps. Also Available in Actual 6"x6"
- 6x6 Black Post Cap (5.5") for Pressure Treated Post New England Pyramid Style Square Top for Outdoor Fences, Mailboxes and Decks, by Atlanta Post Caps Also Available in 6"x6" Actual
- Nuvo Iron ADPBS6 Aluminum 6X6 Post Skirt Base, 1 Count (Pack of 1), Black

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**Shop now:** [https://www.desertcart.nz/products/18093451-6x6-black-flat-post-cap-most-common-fits-5-5x5](https://www.desertcart.nz/products/18093451-6x6-black-flat-post-cap-most-common-fits-5-5x5)

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-01-26*