two different length 30" and 34"

A handy person from Encinitas, CA 92024 says:
June 7, 2016
Hi,
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:
John
User submitted photos of a window balance.
Profile picture of Paul
Paul from SWISCO responded:
June 9, 2016
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.
30" Series 385 Channel Balance
30" Series 385 Channel Balance
S385-30
$11.30
34" Series 385 Channel Balance
34" Series 385 Channel Balance
S385-34
$11.73
How to Replace a Non-Tilt Channel Balance
How to Replace a Non-Tilt Channel Balance
VIDEO
WATCH >
How to Repair a Jammed Window
How to Repair a Jammed Window
VIDEO
WATCH >
How to Identify Replacement Channel Balances
How to Identify Replacement Channel Balances
VIDEO
WATCH >
How to replace a non-tilt channel balance
How to replace a non-tilt channel balance
GUIDE
READ >
Choosing a Non-tilt Channel Balance: What Will We Need?
Choosing a Non-tilt Channel Balance: What Will We Need?
GUIDE
READ >
Reply to Thread
Use this form to ask a follow-up question or to share your experience regarding this subject.
(your email address will be kept private and is only used to inform you when a response has been made)
Current wait time is 3-4 business days
We promise that one of our experts will personally get back to you as soon as they are able. Thank you very much for your patience and understanding. If your inquiry is time-sensitive, please feel free to reach us at (888) 991-1929 or at help@swisco.com.