Large Interoffice Mailbox can be used for mail collections, drop box and secure office communication. Locking hinged door provides security for confidential messages. Drop slot measures 10-1/2" x 3/4" and accepts letter-size documents, envelopes, memos, discs, CD-ROMS, keys and more. Solid steel construction features a scratch-resistant, powder-coat finish for durability. Mailbox mounts to wall for easy, eye-level access to hinged drop-front door. Mailbox includes two keys and mounting hardware.Large Interoffice Mailbox can be used for mail collections, drop box and secure office communication. Locking hinged door provides security for confidential messages. Drop slot measures 10-1/2" x 3/4" and accepts letter-size documents, envelopes, memos, discs, CD-ROMS, keys and more. Solid steel construction features a scratch-resistant, powder-coat finish for durability. Mailbox mounts to wall for easy, eye-level access to hinged drop-front door. Mailbox includes two keys and mounting hardware.