Dave Sr. from SWISCO responded:
May 1, 2017
You have an older key cylinder that is no longer available. It's recognizable by its distinct rectangular shape. Cylinders made today are more oval shaped. You might be able to take your cylinder to a locksmith in your area; in some cases, these cylinders can be re-keyed. If not, you will need to replace the complete handle set with something like our 40-049 or 40-193.
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