Need locking pivot shoe

A handy person from Crestview FL says:
Hello,

I need a couple locking pivot shoes.
The windows are 24 years old and have no indication of brand name.
I already ordered 15-134 - Pivot Lock Shoe, 3/8" Thick, but it did not work because the hole was too small for the bar coming out of the window.
The dimensions of the locking pivot shoe is 1" wide, 2" tall, 3/8" thick.

Thanks
Thumbnail of the uploaded file named lockingPivotShoe1.png
Thumbnail of the uploaded file named lockingPivotShoe2.png
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Paul from SWISCO responded:

Thank you for reaching out to us. For the larger center cam (5/16" X 3/16"), I recommend seeing if you can use the 15-212 pivot shoe. Take a look at the specifications and see what you think. 

A quick learner says:
Thanks.
But, the specs do not show the width of the boot.
A quick learner says:
Oops.
I see the second page of the specs.
I'll give these a try.
A quick learner says:
latest update.
The suggested item won't work because the cam opening is too small.
The cam opening is the same size as the one I already purchased
I need 3/8 x 7/32 for the cam opening.
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Paul from SWISCO responded:

We don't sell a pivot shoe with the exact specification that you need, unfortunately. The red cam in the 15-134 pivot shoe is 1/4" X 3/16". The cam size of the 15-212 is 5/16" X 3/16" which accepts most pivot bars like the 26-041.

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