The STEELMASTER Dupli-Key Two-Tag Cabinets are perfect for truck fleets, management facilities, storage facilities, and truck and auto rental companies, the STEELMASTER Dupli-Key System utilizes two different set of numbered key tags to make managing keys as efficient as possible. Simply attach your master key to the red octagonal shaped self-locking key tags; this will ensure that your master original key is never loaned. Fasten the duplicate loaner key to the white oval snap hook key rings and file on the same hook with the master key. When a loaner key is issued, insert a Receipt Slip with recipient"s name and date into a brass key holder and hang with the master key, log all information in the key loan register to keep a written record. Use MMF Industries Cross Reference File to keep track of all vital information. Made of durable 20-gauge steel, with a sand-colored chip and scratch resistant finish, this key cabinet"s full piano-length hinge allow users to open the cabinet fully and view all keys. The key panels and cabinet door are constructed of 18-gauge steel. A disc tumbler lock is standard and secures the cabinet; predrilled holes and mounting hardware make for easy installation. Key Cabinet with the quality STEELMASTER name.