KINKO window balances Jacksonville Fl 1990

A handy person from middleburg fl says:
I think I need Series 351 with 19-002 top and 15-002 btm My windows are KINKO window mfg in Jacksonville Fl in 1990. Thank you in advance for your help
User submitted pictures of channel balance attachments.
The stamp on the spine is 28 3 and Channel is 29 Inches
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Paul from SWISCO responded:
Thanks for posting. Please take a look at our S351-29 channel balance with a 2830 stamp option.
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