Mmf Dupli-key numbered two-tag locking key cabinet Dupli-Key® Numbered Two-Tag Locking Key Cabinet, 60-Key Capacity, Sand Two different sets of numbered tags make key management easy. Secure master key to “permanent” red tags and attach duplicate loaner keys to white snap-hook rings, then file both on the same hook. Hang a receipt slip in a brass holder with the master key each time key is loaned. Log keys into the Loan Register for a written record. Cabinet includes all these items plus key collection envelopes, three types of key indexes and complete instructions. Made of sturdy, welded steel with piano-hinged doors and panels. Hang on wall or use on table (hardware included).