please identify part number of item in the picture I provided

A home owner from CA says:
September 3, 2021

the measurement in the picture is 27 inches, and there is also a label in the picture, hopefully that can help you to identify the part number.

Thanks

Junguo

Thumbnail of the uploaded file named non-tilt-window-channel-balance-p1.jpeg
Thumbnail of the uploaded file named non-tilt-window-channel-balance-p2.jpeg
Profile picture of Bob
Bob from SWISCO responded:
September 9, 2021

Hi Junguo. This looks like either an S380-27 or S385-27. The only difference between these two balances is the depth of the bottom nylon shoe, or 'heel-to-toe' measurement, so compare both with your old hardware to see what matches best. For a new stamp option choose 2630. 

Comparison of the S380 and S385 balance shoes.
Comparison of the S380 and S385 balance shoes.
27" Series 380 Channel Balance
27" Series 380 Channel Balance
S380-27
$10.55
27" Series 385 Channel Balance
27" Series 385 Channel Balance
S385-27
$10.55
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