Stampings on the balance

A home owner from Helena Montana says:
26 4 BS1 pc
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Paul from SWISCO responded:

It's a little difficult to tell from the angle of your bottom balance shoe, but it appears your bottom shoe has "wings". If it in fact does, please take a look at both our S380-27 and S385-27 channel balance. Depending on the depth of your bottom shoe will determine which one of these balances would work for you. You would go with the 2640 option for whichever you choose. 

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Tom from SWISCO responded:

I'm leaning toward S385-27, if you have the shoe shown below. Just measure to be sure.

Alternate view of 15-004
Alternate view of 15-004
A home owner from Helena Montana says:
Here is another pic hope this helps..thanks
A home owner from Helena Montana says:
Thanks Ben...I agree that I need the 385
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