Architectural Mailboxes 2580Z-10 Chelsea Wallmount Mailbox, Small, Graphite Oversize mail slot is great for large items, such as magazines with a wide, deep storage compartment 24-Gauge galvanized steel body and 22-Gauge galvanized steel roof are durable Stainless steel cam lock with lock/unlock indicator and 2 keys to help keep contents secure Designed to be installed on a wall under an awning Mailbox measures 13.23 in. x 10.12 in. x 4.21 in.