Architectural Mailboxes UMBS0B06AM Mounting Board, Steel Accessory, No Size, Black

The Steel Mailbox Mounting Board makes installing a mailbox onto a post quick and easy. Compatible with all post mount mailboxes by Architectural Mailboxes, it can be installed on any Architectural 4x4 wood or hollow post. It also features multiple mounting hole patterns, on the bottom and side to accommodate other branded mailboxes. It is manufactured from heavy-duty galvanized steel and power-coated with a black finish for maximum durability. Mounting hardware is also included with the Steel Mailbox Mounting Board.