Searching for Window grill barb clip

A quick learner says:
Looking for window grill fasteners with barbs to replace the terrible little spring fasteners. Internet search showed your company had them, but can't find.
Becky
Thumbnail of the uploaded file named B95F7B2B-A01F-4DB1-9B0F-7440D8FB422B.jpeg
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Casey from SWISCO responded:

Hello,

Your photo resembles the 55-176 Andersen grid clip. Take a look and compare the specifications to confirm if this could work for you. Thanks for posting! 

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