two different length 30" and 34"

A handy person from Encinitas, CA 92024 says:
Please see the attached photos.
I have a need for QTY 4 of each of these two types. (total needed 8).
The 34" channel length has "33 9" marking.
The 30" channel length has "29 3 B.S.I. 0B"
please advise on your part numbers, ship timing, and cost.
Assume if you have available, I will order on Wednesday 7th June to be shipped expedite to:
User submitted photos of a window balance.
Profile picture of Paul
Paul from SWISCO responded:
Thanks for posting. Our Series 385 looks like a good match in both cases. As for the stamp, you will need to weigh your sash to determine the best match.
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