Installation Guide
Using the hex wrench, continue to tighten until headless set screw is very tight and 
resistance is felt. Then, tighten another rotation to ensure the expansion joiner is locked.
The headless set screw 
will be completely 
recessed.
2” Round In-Ground Mailbox Post (Model 7680/7511)
Supplemental Instructions
Headless set screws 
must be very tight so that 
the expansion joiner is 
touching the post.
Insert plugs to ll 
the joint holes for a 
seamless appearance. 


