Architectural Mailboxes Galvanized Steel Post Duo Spreader Plate
The Duo Spreader is designed for mounting two post mount mailboxes on a single post. It is strong enough to hold our heaviest mailboxes and can be used with the Standard Post or the 3-Way 4X4 Adapter.
ADAPTER: 14 gauge (2 mm) galvanized steel construction
FINISH: Powder coated