Letter Sentry Locking Mailbox with direct burial steel postThis economical locking mailbox features an 18 gauge galvanized steel body and door with a double black powder coated finish. It accepts larger pieces of mail and smaller packages. Convenient outgoing tray is also an internal baffle to help keep unwanted hands from reaching into the mail storage area. The Letter Sentry is mounted on the direct burial standard 12 gauge steel post which features a matching black powder coated finish. Post is 48" longx3" diameter. Incoming slot: 10" widex1-3/4" high. Outgoing tray is 10" widex6" deep.High security locking curbside mailbox and post made of steel and powder coated to resist tough weatherConvenient Outgoing tray is also an internal baffle to help keep unwanted hands from reaching into the mail storage areaThis large capacity mailbox accepts larger pieces of mail and small packagesThe incoming mail slot measures: 10 inch widex1-3/4 inch high.Outgoing tray is 10 inch widex6 inch deepPost is 48 inch tallx3 inch diameter and can be direct buriedProduct Dimension(WxDxH): 10"x19.5"x63"Color: Black