Channel Balance and screen retaining clips

A quick learner from NY/ SC says:
I need some channel balances. There are 2 different lengths, 1 is marked 28C BSI, the other is marked 32C BSI.
I don't know the manufacturer of the windows. I am the 2nd owner. I also need screen retaining clips.

I do know the bottom shoe for the balance is 1" wide. they are also tilt windows

channel balance
screen clip
Profile picture of Paul
Paul from SWISCO responded:
Thanks for contacting us. Let's start with the balance first. My associate Jody tells me that your balance has a 1" wide shoe and an installation hook on top. Can you confirm? I would recommend removing the balance from the window to get an accurate measurement of the shoe width. If so, we can specially make this for you. I just need to know how many of each you need.

For the screen clip, see our 70-026 with a 33-005 pop rivet.
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