Parts for double hung tilt windows

A quick learner from Voorhees, nj says:
Please see pictures. I need these little plastic pieces that
Attach to a string.
balance clip
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Paul from SWISCO responded:
Thanks for your photo. I believe you may be searching for our 15-159 pivot shoe. Take a look and see if this is the part you need.
A quick learner from New jersey says:
I just bought some of these shoes from your company..thank you for helping me figure out what part I needed.

One final question:

Which way does the shoe go into the track. The flat side or the beveled side.

Thanks
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Paul from SWISCO responded:
Sure! You would want to install with the flat side facing the jamb liner and the extension towards the sash. In other words: flat side in, hump side out.
Classifying Channel Balance Fittings
Classifying Channel Balance Fittings
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