Balance strength

A quick learner from San Leandro Ca. says:
August 9, 2017
I have a balance channel marked 21a and one that is marked 24b. What should I order?
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Tom from SWISCO responded:
August 14, 2017
I see you were looking at our S351-22. Is this the balance you have? If so, I would recommend the 2110 option for the balance stamped 21A. The 24B balance should be 25" long, and I'd recommend the 2420 option.
22" Series 351 Channel Balance
22" Series 351 Channel Balance
S351-22
$9.91
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