The silver thing in the middle is loose and cannot shut door all the way

A home owner from Decatur, IL says:
Cannot close door because the post is wobbly lost the silver ring that keeps it in place , need to fix right away
Thank you
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Tom from SWISCO responded:

This keeper looks similar to the one included in our 82-242 kit. Look it over and let me know if you agree, or if you had any questions.

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