Auth-Florence Mailbox Key Blank | Ask the Experts | Ask the Key Wizard


I have a key to my mailbox made by Auth-Florence. It is a new blank for them, what blank do I use?



The new Auth-Florence key blanks are as follows:
Key code 1000 series and 3000 series use National key blank D4300 or Ilco key blank 1646. Key code 2000 series and 4000 series National D4301 or Ilco 1646R.  New lock part number National C9100 OR C9200.


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