Jasmine from SWISCO responded:
August 22, 2023
Thanks for reaching out! Your casement window operator reminds me of our 39-329 Inverted Split Arm ROTO Operator. The opposite handed version of this operator is 39-330. The compatible crank handle is part 39-232. Take a look over the dimensions below and compare them to your existing operator to determine if this is the right replacement. Alternate image for 39-329
Side profile view with measurements
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