Please identify the crank if possible

A handy person from Des Plains Il says:
July 3, 2014
To either side of the handle and on top are flat head screws that are not very apparent. I do not know if this is enough to let you Identify the crank replacement. Please let me know.
User submitted photos of an awning window operator.
Profile picture of Tom
Tom from SWISCO responded:
July 3, 2014
Thanks for posting. This looks like either our 39-389 or 39-390. Check them out and see if either would work.
Awning Operator Kit, Long Arm
Awning Operator Kit, Long Arm
39-389
$85.20
Awning Operator Kit, Short Arm
Awning Operator Kit, Short Arm
39-390
$82.70
How to replace an Awning window operator
How to replace an Awning window operator
VIDEO
WATCH >
How to identify casement and awning operators
How to identify casement and awning operators
GUIDE
READ >
Reply to Thread
Use this form to ask a follow-up question or to share your experience regarding this subject.
(your email address will be kept private and is only used to inform you when a response has been made)
Current wait time is 3-4 business days
We promise that one of our experts will personally get back to you as soon as they are able. Thank you very much for your patience and understanding. If your inquiry is time-sensitive, please feel free to reach us at (888) 991-1929 or at help@swisco.com.