Replacing crank handles

A home owner from Jay Peak VT says:
Have Bonneville Battant/gold casement windows - need to replace window cranks would like to use truth folding kit 39-107FK -would this be compatible?
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Bob from SWISCO responded:

Thanks for writing in. I honestly can't say for sure whether or not the 39-107FK will work for you. Can you show us your original operator? That will help narrow down if this will work for you. Many thanks.

SWISCO Window Operator Crank Handles
SWISCO Window Operator Crank Handles
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