1″ MailBoss Universal Adapter Plate - Height Extender

The MailBoss Universal Adapter Plate is a versatile solution designed for mounting a wide range of curbside mailboxes to MailBoss posts or to many existing mailbox posts and pedestals. At just 1 inch tall, this low-profile plate provides a clean, seamless look while delivering heavy-duty performance. It can also be used to mount many other popular mailbox brands to any Mail Boss post without drilling or modifying your mailbox.

Universal fit - Works with most standard curbside mailboxes, including select models from Architectural Mailboxes and Gibraltar Mailboxes, allowing them to mount securely to Mail Boss in-ground and surface-mount posts. Not compatible underneath a Mail Boss spreader bar, although it can be used on top of a spreader bar as a universal adapter.