Gibraltar Mailboxes Black Plastic Mailbox Mounting Board .090 Ga. 13-1/16 in. L

The Gibraltar Mailbox Mounting Bracket makes installing a mailbox easier than ever. This mailbox mounting bracket is compatible with any Gibraltar 4x4 wood or plastic post. Made from durable polypropylene plastic that will never rust, the mounting board has an ultraviolet inhibitor to extend its service life. Mounting hardware and easy to follow instructions are included for your convenience.