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4 MailBoss w/ Spreader & In Ground Post


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The 4 Locking Mailbox In-Ground package includes 4 heavy-gauge galvanized steel curbside locking MailBoss mailboxes, a 4-Mailbox Spreader Bar and a 43" In-Ground steel mounting post.

The size of each actual mailbox is 21"D x 13.75"H x 11.25"W

The 4 box with Spreader and In-Ground Mailbox Post package should be used for installing the 4 Locking Security MailBoss mailboxes on a single In-Ground Post.

In-Ground Mailbox Post installation applications involve burying the post approximately 12" in a permeable surface such as grass or dirt in order to meet postal requirements and also to help prevent damage.

The 4 Box In-Ground Post package is available in black, granite, white or bronze.

These MailBoss Security Locking Mailboxes are made of 12-gauge & 14-gauge galvanized welded steel and the In-ground Mailbox Post is made of 10-gauge and 14-gauge steel for strength and


This Locking Curbside Mailbox package includes:

1) 4 Black USPS approved MailBoss locking mailboxes
2) 1 Black 4-Box Spreader Bar for mounting 4 MailBoss mailboxes on 1 post
3) 1 Black 43" In-Ground mounting post for in-ground application use
4) 20 mounting bolts for installing 4 MailBoss mailboxes on Spreader Bar
5) 1 Four Mailbox In-Ground Mounting Package available in black, granite, white & bronze


*Please Note - Add an Additional $60.00 for Shipping to Canada, Puerto Rico, Hawaii or Alaska....Please Contact Us directly for more information.


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  • Model: 7040
  • Manufactured by: Mailboss

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