Architectural Mailboxes 2576W-10 Parkside Locking Wall Mount White Mailbox, Medium Not Applicable Mailbox is 10.9 in. W x 13.5 in. H x 4.9 in. D Roof lifts open for easy mail retrieval - Mail slot opening is 9.6 in. W x .8 in. H Powder coated galvanized steel construction for excellent rust resistance Stainless steel cam lock complete with two 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