Need Window Spring Rail

A quick learner from California says:
Metal part is 27.00 inches long; Markings on part are "26 3 CALDWELL HM"
Part looks like Series 385 Channel Balance, but I am not 100% sure. Hope you can identify it by the markings provided -- else I can send you a pix.
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Tom from SWISCO responded:
Good morning! I can't be sure if you have a Series 385 channel balance without seeing your nylon attachments and knowing their dimensions. The stamp doesn't help identify Series, only what the balance strength is.

What about the Series 385 aren't you sure about, exactly? Is it the bottom shoe? That's a common point of confusion. It's really just a matter of the depth of the shoe. Check out our 15-004 and 15-005 shoes and see which is closer. If it's the 15-004, then you're likely dealing with a Series 385 balance.
Detail of 15-004
Detail of 15-005
A quick learner from California says:
Good assessment. The bottom shoe I have is larger than one inch, and it is just shy of 1.1 inch. It appears I do have Series 385 channel balances. I need to order two of them.
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