Request for Milgard window channel balances

A home owner from USA says:

I would like to order a pair of channel balances for a Milgard window,
but I
User submitted photos of a window balance.
Profile picture of Paul
Paul from SWISCO responded:
Thank you for posting. Based on your pictures, I would recommend either our S385-30 or S380-30. You will need to measure your bottom nylon fitting in order to determine which Series is the better match. I cannot tell based on these photos. Let me know what you come up with!
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