Bolt the base of the post to your existing concrete surface using appropriate masonry anchors.
Ensure the bottom of the mailbox is between 41 and 45 inches above the road surface, as required by USPS regulations.
Are you installing this into or onto an existing sidewalk ?
Once the post is secure and the concrete has set (if applicable), attach your mailbox to the top or cross-arm using the mounting screws.
Secure the mounting plate or cross-arm to the vertical post using the provided hardware. Secure the Post:
Pro Tips: How To Set Posts & Poles | DIY Post Setting Guide - Sakrete
The product code is associated with the Coolidge Mailbox Post by Architectural Mailboxes .