The Pinnacle Post...
For all Pinnacle Mailboxes

• POSTS For in-ground applications.
• 60" long.
• Exterior dimensions 3.5" x 3.5"
• Interior dimensions 3.125" x 3" (Accounts for internal rivet-heads.)
• Use alone OR fill with concrete OR place over treated 2x4.
• 3/32" Aluminum
• Bottom view of mailbox.
• Black or White.
• Mount up to four mailboxes on a single post, with Spreaders.