I cant figure out the difference between balance shoes

A contractor from Charlotte, NC says:
Channel balances.
Measure 29"
Marking: 28 4 EN Caldwell

I think this is 15-005 Shoe. But could be 15-004 Shoe. I can not see what the difference is in these two.

How quickly would these ship out if I were to order them today? Need quantity of 4.
User submitted photos of a window balance.
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Tom from SWISCO responded:
Have you seen the dimensions for either shoe yet? That's the important part. Check out the images below and let me know which is closer.
Detail of 15-004
Detail of 15-005
A contractor from Charlotte, NC says:
Looks like there is only one difference in the dimensions of tese two: 1" vs 1-3/32"

On mine I would say the measurement is less than 1" - closer to 7/8"

Your two illustrations do not have the model numbers.

CAn you tell me if these are in stock and how quickly might they be shipped? Quantity of 4 needed.
Thank you
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Tom from SWISCO responded:
Hmm. We don't have any shoes that are more shallow than 1", but I think our 1" 15-005 could work for you. You just might have to shave it down a bit for it to fit. If you agree, check out our Series 380 channel balance and see if this will work for you.

Check out our Shipping Policy for more information on how fast our orders go out.
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