What are the dimension of the post cap? Is it 3.5x3.5 or 4x4?

Will work best with a 4X4 post. Can use smaller diameter if needed. Read information on product description page for further information, there is a picture with detailed measurements.

will this fit the gibraltra large mailbox E1600B00?

The mounting board should fit the Gibraltar Black Post - Mount Mailbox. You will be amazed how much mail and boxes will go in the mailbox!

Will this work for the gibraltar extra large? I have mailbox and black plastic post that came with it?

Check to see if the Gibraltar mounting bracket is wide enough for your large mailbox. The Gibraltar bracket holder is excellent item to use with your mailbox to keep it sturdy,

Will this unit fit an extra large gibraltar mailbox st200b00?

It's it's the mailbox that I ordered perfectly

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Gibraltar Mailboxes Patriot Rust-Proof Plastic Black, Mailbox Mounting Board, GMB225B

Gibraltar Mailboxes Patriot Rust-Proof Plastic Black, Mailbox Mounting Board, GMB225B

Product ID: 673381

Details

Brand
Gibraltar
Color
Black
Included Security Features
Hopper &
Material
Plastic
Mounting Type
Post Mount

📏Fits standard 4x4 wooden posts perfectly

☀️UV inhibitor extends outdoor lifespan

🛡️Rust-proof plastic for lasting durability

21.42 OMR

Duties & taxes included

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Description

📬 Elevate your curb appeal with the ultimate rust-proof mailbox mount!

LIGHTWEIGHT YET STURDY - At just 14.4 ounces, it’s easy to handle but tough enough to hold your mailbox securely.
SEAMLESS COMPATIBILITY - Designed exclusively for Gibraltar Patriot mailboxes, ensuring a perfect, secure fit every time.
EFFORTLESS INSTALLATION - Mounts easily on any 4x4 wooden post—no extra tools or hassle required.
PROUDLY MADE IN THE USA - Support local craftsmanship with a product built to high-quality standards.
BUILT TO BRAVE THE ELEMENTS - Rust-proof plastic with UV protection means your mailbox stand stays flawless season after season.

The Gibraltar Mailboxes Patriot Mounting Board is a durable, rust-proof plastic bracket designed to securely attach Patriot mailboxes to standard 4x4 wooden posts. Enhanced with UV inhibitors for extended outdoor performance, this lightweight yet sturdy mounting solution is proudly made in the USA and ensures a seamless fit for Gibraltar’s Patriot mailbox line.

Specifications

ASIN	B000B4N1BU
Access Location	Bottom
Best Sellers Rank	#233,969 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #98 in Mailbox Hardware
Brand Name	Gibraltar Mailboxes
Color	Black
Customer Reviews	4.6 4.6 out of 5 stars (449)
Global Trade Identification Number	00046462009892, 00793503122514, 00798762670806
Included Components	bracket
Item Dimensions D x W x H	17"D x 7"W x 4"H
Item Type Name	mailbox bracket
Item Weight	14.4 ounces
Manufacturer	Solar Group
Manufacturer Part Number	GMB225B
Manufacturer Warranty Description	90 day limited warranty.
Material Type	Plastic
Model Number	GMB225B
Mounting Type	Post Mount
Number of Items	1
Security Features	Hopper & Baffle
Style Name	Mailbox Mounting Board
UPC	635133305410 793503122514 798762670806
Unit Count	1 Count

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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.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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Fantastic experience overall. Will recommend to friends and family.

1 month ago

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21.42 OMR

Duties & taxes included

In stock

Sold byAmazon OMANDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to OMAN.

Secure transaction

ProDesertcart PRO

Fast, free shipping, member pricing & priority support.

Join PRO →

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

Fatima A.

Best international shipping I've ever tried. Worth every penny!

3 days ago

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