The Universal Adapter Plate is used to mount Architectural Mailboxes on a side support arm, spreader plate, or to a 4x4 wooden post. The adapter plate is constructed of aluminum with a durable powder coat for a lasting finis...

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The Universal Adapter Plate is used to mount Architectural Mailboxes on a side support arm, spreader plate, or to a 4x4 wooden post. The adapter plate is constructed of aluminum with a durable powder coat for a lasting finish.

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