Need replacement ballast

A quick learner from LaGrange Geoegia says:
If you need any more info please let me know. I know the ballast is 29" long
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Bob from SWISCO responded:

This certainly looks like an S380-29 Channel Balance, with a stamp option of 2830. However, make sure the bottom nylon shoe matches the one that comes attached to this balance Series, our 15-005. Specifically measure the depth, or 'heel-to-toe' measurement. The 15-005 has a depth of 1". If it's 7/8" instead, you're going to need balances with our 15-029 shoe attached instead. Let me know. 

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