bed room window

A home owner from 33470 says:

29" long, 1/2" wide it has 28C stamped on the metal, there is no other info on the metal

I will be sending another e-mail for a second window.

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Casey from SWISCO responded:

Hello, thanks for posting! It looks like you could have either our S380-29 or S385-29 with the 2830 stamp option. The difference between the Series 380 and the Series 385 lies in the depth of the shoe.Take a look at the picture below for more detail. Once you have determined this dimension you should be able to select the appropriate balance. 

Comparison of the S380 and S385 balance shoes.
Comparison of the S380 and S385 balance shoes.
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