Window Crank Operator

A home owner from 15001 says:
Hi, I need at least two of these cranks. My measurements might not be exact, since I don't see as well as I used too. We replaced eleven of them so far, but of course then one of the last two original ones died. :( I used to get these from HR Hardware, but they apparently went out of business. Any help you could give me identifying these would be most helpful. (Last time I had to send HR Hardware a broken one so they could compare)
Thumbnail of the uploaded file named Window crank pics wrhardware.PNG
Thumbnail of the uploaded file named photo 5.JPG
Thumbnail of the uploaded file named Window crank wrhardware.JPG
Thumbnail of the uploaded file named photo 1.JPG
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Tom from SWISCO responded:

It's tough to make out what you had from these photos but I am instantly reminded of our 39-075. I think this may be what you need but review our specs to confirm.

Alternate view of 39-075
Alternate view of 39-075
A home owner from 15001 says:
That is it, but I need the handle and the lower screw L going to the left hand side. That is a LENAHAN WINDOW CRANK 39-074, correct??
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Tom from SWISCO responded:

Correct, the opposite-handed version of the 39-075 is the 39-074. Let me know if you have any further questions. 

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