sash balance 350?

A handy person from Florida says:
this is what I have the channel is 29" long x 1/2"

stamped is s 28S38 sash balance do i need

thank you
Thumbnail of the uploaded file named GEDC5832.JPG
Thumbnail of the uploaded file named GEDC5833.JPG
Thumbnail of the uploaded file named GEDC5834.JPG
Thumbnail of the uploaded file named GEDC5835.JPG
A handy person from Florida says:
THE WINDOW WEIGHT IS 35LBS.
SO IT LOOKS LIKE I NEED TWO 2860 OR 2865

WHAT DO YOU THINK?
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Tom from SWISCO responded:

Thanks for your photos. Based on what I see here, you have either our S380-29 or S385-29 , depending on the depth of the bottom shoe. That's the only difference between them. I recommend measuring your shoe and referring to our dimensions to confirm the best match.

As for the stamp, if your sash is precisely 35 pounds then you could use either of the two options you picked up. You may want to double check the weight, though. Your old stamp indicates that it's 38 pounds, not 35. Just something to keep in mind.

Comparison of the S380 and S385 balance shoes.
Comparison of the S380 and S385 balance shoes.
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