Searching for extension arm on Cascade window

A quick learner says:
June 30, 2022
Need replacement parts related to the extension arm for 2 Cascade bathroom windows.
See attached photos.
Thumbnail of the uploaded file named IMG_1200.jpg
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Casey from SWISCO responded:
July 5, 2022

Hello,

The clip shown in your photos resembles the 39-558, which is used with the 39-239B. Take a look and see how the specifications of these parts compare to yours. You may also need the 39-451 if the original cover is unable to be removed a reinstalled on the new assembly. Thanks for posting! 
Truth Detach Clip
Truth Detach Clip
39-558
$1.47
Encore Truth Operator Cover and Handle
Encore Truth Operator Cover and Handle
39-451
$12.05
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