Casement crank mechanism

A home owner from Devils Lake ND says:
I need two of these as well as the track the arm slides in. But I find no brand on it.

Also the interior cover has no apparent screws, nor does the handle have any set screw for removal.

The trim will not come off as it's a one piece vinyl unit.

The arm has a bend in it (almost 70 degrees?) and is 8" from outside bend to arm pivot. The bend extends into the mechanism another 2" or more.
User submitted photos of a window operator.
Profile picture of Tom
Tom from SWISCO responded:
Take a look at our 39-027E and 39-028E. These may be what you need, but you should carefully compare our pictures and dimensions to your own to be sure.
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