Ensure secure mail access with the Prime-Line Brass Plated Steel Mailbox Lock, designed for old-style Bommer apartment mailboxes. Built from durable steel with a brass plated finish, this lock offers a classic appearance and long-lasting performance. It features a 5/16-inch throw and a key mechanism that allows removal only when locked, adding an extra layer of security. Ideal for mailbox replacements or repairs, this lock is easy to install and helps keep your correspondence safe and protected.