Window balance order identification required

A quick learner from Estero Florida says:
Standard 5/8" balance channel. 34 2 KP Caldwell is 35" in length,

Standard 5/8" balance channel. 23 2 HQ Caldwell is 24" in length
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Bob from SWISCO responded:

Thanks for posting. Do both sets of channel balances have the same kind of nylon attachments? If they so, they both look like our Series 395. See our S395-35, with a stamp option of 3420, as well as our S395-24, with a stamp option of 2320. 

A quick learner from Estero Florida says:
thanks bob, you have been a great help
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Bob from SWISCO responded:

Glad I could assist you! If you need anything else just let us know.

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