The AdirOffice Locking Drop Box Wall Mounted Mailbox is designed to hold keys, cash, envelopes or other important materials that need to be dropped off after hours. Constructed of durable, heavy duty 16-gauge galvanized steel to provide long-lasting strength and furnished using a powder-coated, scratch-resistant finish, this mailbox is made to meet your needs year after year, Ideal for retail stores, military bases, rental facilities, customer service counters, manufacturing plants, auto dealers and other facilities, this secure drop box features an anti-fishing bin door that accepts letters, checks, keys and other small bundles, To prevent theft, a anti-pry latch locking mechanism is used. The locking access door features a commercial grade 12-disc wafer lock and includes three laser cut keys to ensure the items inside are safe and secure. To finish it off, this mailbox includes four mounting screws, four stainless steel washers, a driver bit and a drill bit for quick and easy installation of the box wherever you'd like to mount it.