Storm Window Plastic Parts

A home owner from South Haven MI says:
I'm looking for a few different parts for my storm windows.
The lower spring action levers (left and right)
The lower corner pieces that hold the aluminum frames together.
The upper corner pieces (these ones have a 1/4" stud that sticks out to hold the upper part of the storm window in place)

The levers are labeled "CAREFREE(R)" I can't find any other markings. I'm not sure how old they are. It is an old house and they were installed and already worn out looking when I purchased the house in 2007.

I have these on storm windows & screens installed on at least 10 different windows in my house. I would be interested in purchasing at least 20 of each of these.

Thanks!
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Dave Sr. from SWISCO responded:

Thank you for posting all of your detailed information and images. I have placed a list on this page of possible replacement options of what you are showing us. Look over each part closely and let us know if these pieces are a match for you. 

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