Non-tilted channel balances

A quick learner from California says:
The width is 1/2 inch with length of 34 Inches. Lo previously I got S385-28 for 28" length with the same style
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Casey from SWISCO responded:

Hello,

If this balance has the same 1-3/32" deep bottom fitting as the 28" balances that you purchased from us, you would need the S385-34. The 33 3 stamp on your metal channel indicates that you would need a 3330 strength option. Thanks for posting!

Close up view of the S385 balance shoe.
Close up view of the S385 balance shoe.

A quick learner from California says:
Thanks ?.. so the S385-34 part # has 3330 strength option?
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Casey from SWISCO responded:

Correct, you would choose the 3330 strength option on the S385-34 product page. 

A quick learner from California says:
Thnaks for quick response..... I am also need to order one part # same style but for length of 25" with stamp 24 4 FP Caldwell. When when I checked it I should order part # S385-25 with option 2440. Please confirm if I am right?

Thanks
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Casey from SWISCO responded:

Yes, that would be correct as long as the end fittings are identical to your other balances. 

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