Block and tackle stamped 30D

A quick learner from Rockport Texas says:
January 27, 2021
Not sure what brand. There are two per side and they are 30 1/8 long
Thumbnail of the uploaded file named 16117652402717294572001225609301.jpg
Profile picture of Casey
Casey from SWISCO responded:
January 28, 2021

Hello,

Take a look and compare our S770-30 channel balance with a 30D strength option to yours. Since I can't see the top of your balance, you'll need to make sure that yours installs with a screw through the top of the channel as shown on our product page. Thank you!
30" Series 770 Balance
30" Series 770 Balance
S770-30
$12.80
How to replace a tilt-window channel balance.
How to replace a tilt-window channel balance.
VIDEO
WATCH >
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.