Unbranded Lewiston Black Post Mount Locking Mailbox Insert

Add security to your post mount Lewiston Mailbox System with a locking insert that mounts inside your mailbox. Locking insert is made of galvanized steel and features a tough powder coat finish keeping mail secure from unwanted hands. Incoming mail slot opening: W 6-3/8 in. x H 1 in. Locking door opening: H 5 in. x W 6-3/8 in. A lock and keys are included.