Architectural Mailboxes 2407SW Metropolis Swirl Finish Wall Mount Locking Mailbox Each Metropolis mailbox includes mounting hardware and instructions Body is 20 gauge stainless steel construction Stainless steel scalped cam lock with dust shutter and two keys Designed to be mounted on a wall under an awning 1.2-Inch by 10.5-Inch incoming mail slot located discretely under hood