channel balance help

A quick learner from Daphne, AL says:
The aluminum channel is 28" long x 9/16" wide, 9/16" deep, spring is roughtly 14" long, w/nylon string connected to a hook on one end and a pully on the other, and has the number 2730 stamped on it. I'm needing 10 sets (20 individual).
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Paul from SWISCO responded:

If the depth measurement of your bottom balance shoe is 1", then you should be good to go with the S351-28 with a 2730 option. Take a look and let us know what you think. 

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