Storm Window retainer

A handy person from Glen Burnie, MD says:
October 20, 2020
I have not removed the clips because I am afraid they may break and I won't be able to reinstall the window. You can see from the picture that one of them already came apart many years ago. They have a knurled knob and spring on the outside of the window and an L-shaped clip that goes through the frame. This storm window is installed on a fixed panel picture window so there is no access from the inside. Thank you for your help!
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Bob from SWISCO responded:
October 22, 2020

Thanks for posting. Start by looking at our 70-050 or 70-050B Spring Clips. Review their dimensions and see if you think one of these would work as a replacement.
Spring Clip, 1"
Spring Clip, 1"
70-050
$3.15
Spring Clip, 1-1/8"
Spring Clip, 1-1/8"
70-050B
$3.15
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