Architectural Mailboxes 2596B-10 Wall Mount Mailbox, Medium, Black Not Applicable Mailbox is 11.2 in. W x 13.6 in. H x 4.4 in. D Mail slot opening is 9.5 in. W x .8 in. H and can easily accept magazines and padded envelopes Powder coated galvanized steel construction for excellent rust resistance Stainless steel cam lock with lock/unlock indicator with 2 keys 4-pre-drilled holes makes for an easy installation. Includes installation instructions and mounting hardware which includes; screws and plastic anchors for brick and other masonry installations