Bottom sash clip

A home owner from Jacksonville FL says:
I am not sure which sash to buy. I think i need the series 380, but the bottom clip on mine looks to be a little thicker than the 15-005. Any help?
User submitted a photo of a window balance.
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Tom from SWISCO responded:

I'm not sure. When you compare your dimensions to what we shoe for the 15-005, how do they differ?

Alternate view of 15-005
Alternate view of 15-005

A home owner from Jacksonville FL says:
The clip I have is 3/4 of an inch and yours ( 15-005) is 1 Inch. My neighbor bought the 15-005 and have to shave a little of the back to make his work. we have the same windows in our homes built by Maronda homes here in Florida.
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Tom from SWISCO responded:
Ah, I see. It's possible that your shoe used to be 1" but wore down over time, or perhaps it is just a different mold. Either way, if it's still too large shaving it down a little definitely works. I've done it myself.
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