39-107FK Compatible w/39-138?

A handy person from Sausalito says:
April 26, 2016
I tried these folding handles w/covers for my 39-138, 39-141, 39-142 (white) operators. The spline fits but not the cover.

Is there a cover or similar folding handle w/cover for these operators?
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Tom from SWISCO responded:
April 27, 2016
The 39-107FK will not work with these operators, I'm afraid. They all already come with covers attached at the factory. They are not meant to be removed or replaced, so no separate cover will work with them. The 39-205 folding handle should work for them by itself.
Single Arm Crank Operator, 9-1/2"
Single Arm Crank Operator, 9-1/2"
39-138
$33.35
Truth Folding Crank Handle, 11/32"
Truth Folding Crank Handle, 11/32"
39-205
$11.70
Single Arm Crank Operator, 11"
Single Arm Crank Operator, 11"
39-141
$48.92
Single Arm Crank Operator, 11"
Single Arm Crank Operator, 11"
39-142
$48.92
Truth Folding Handle And Cover Kit
Truth Folding Handle And Cover Kit
39-107FK
$15.45
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