Crestline window part?

A handy person from Colorado says:
I believe this is from a Crestline window. The plastic part holds the metal bar that slides up and down to lock the window.

What is the part called? Do you have them? How much do they cost?
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Casey from SWISCO responded:

Hello,

The part in your photos is referred to as a tie bar guide, such as our 39-448. Take a look at this part, along with the video that we've related for you for more information about the function of this part. Thanks for posting! 

A handy person from Colorado says:
Thank you, I have ordered them!
Anatomy of a casement window
Anatomy of a casement window
VIDEO
WATCH >
SWISCO 39-417 Tie Bar Guide
SWISCO 39-417 Tie Bar Guide
VIDEO
WATCH >
Replacing tie bar guides
Replacing tie bar guides
GUIDE
READ >
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