Crank Handle Replacement

A contractor from Washington DC says:
hi i'm looking for this part of the window, i need like this part that has the bigger fitting hole, the one in the package doesn't work. if u have please let me know. I need 4 left and 4 right.
I need both parts, folding handle crank with cover.
4 pices of left and 4 pices of right
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Casey from SWISCO responded:

Hello,

We'd be happy to look into this for you but we would need you to write-out the exact diameter of the opening in your handle that attaches to the operator base. It would also help to see a top-down photo of the operator with the window open so that the entire assembly is visible, which would help us determine which handle and cover options would be compatible. Thank you! 

A contractor from Washington DC says:
Okay, I'm sending more pictures.
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Casey from SWISCO responded:

Thanks for getting back to us. Unforutnately, we can't make out exact dimensions from photos but your operator resembles one of the Encore style operators shown in our video below depending on the type of fitting at the end of the long arm. Both pairs are used with the 39-375 and 39-376 handles and covers, which attach to 11/32" diameter operator splines. Take a look and see if these could work for your application. 

Width measurement
Width measurement

View of the handle extended
View of the handle extended

Side view
Side view

A contractor from Washington DC says:
So, the 39375 and 39376 I already bought from you, and the one in the packaging in the first photo I sent you, but it didn't work, the hole that fits the pin is small, it would have to be wider, 3/8, like the photo in I'll send it now, and the cover, if it's 1/16 bigger than the 39375 and 39376, will be perfect.
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Casey from SWISCO responded:

The only handle we have with a 3/8" bore size is the 39-104, but this is used on a very specific kind of operator. It also does not fold like your original part. I'm sorry that we are not able to offer a close match in the size that you're looking for.

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