Window balancer ,34 5/8 legnth, 13/16 wide, 1.0" hight spring assited

A handy person from Oceanside,CA says:
I need 4 of these balancers please. Thank you!
The info on tag reads:
ANSI/AAMA 101-85
A-L-i validator. Mfgr. Code : EC-1
Series :60/650.
DH-R 15
MST :4050
User submitted image of their window hardware.
Profile picture of Paul
Paul from SWISCO responded:
Hello! Looks like you have the old Premier Window overhead balance. We should be able to help, though this will need to be custom made. Before we recommend anything, please tell me the number stamped on the metal channel and a photo of the clip attached on the end of the cord. Keep in mind that your metal channel is currently installed in an outer frame slot. You'll need to remove it in order to read the stamp.
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