"Series #" Question

A handy person from Cincinnati, OH says:
October 10, 2016
Hello!

I am looking to replace the balances in my windows and having a tough time determining the difference between the 350 and 351. My tops look identical to both and I can't tell a difference between the bottom "shoe."

Attached please see the best pic I could get of my current balances. Is there that big of a difference? Would both fit my windows?

Please let me know what you think and I'll get an order placed.

Cheers,
Ryan
User submitted image of their window hardware.
Profile picture of Tom
Tom from SWISCO responded:
October 13, 2016
Thanks for posting. I don't believe this is our Series 351 channel balance. That uses a 15-002 shoe, which has no wings and is 1" deep. Your shoe does have wings, though I'm not sure about the depth.

I also can't see your top attachment, so I can't confirm if it's the 19-002 that comes with the Series 350 balance. If it is the 19-002, though, then the Series 350 looks to be the better match.
Channel Balance Top Guide
Channel Balance Top Guide
19-002
$0.74
Winged Channel Balance Shoe, 1-3/32" Depth
Winged Channel Balance Shoe, 1-3/32" Depth
15-004
$0.74
Channel Balance Shoe, 1" Depth
Channel Balance Shoe, 1" Depth
15-002
$0.74
How to Replace a Channel Balance Attachment
How to Replace a Channel Balance Attachment
VIDEO
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Classifying Channel Balance Fittings
Classifying Channel Balance Fittings
GUIDE
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