Casey from SWISCO responded:
September 14, 2022
Hello, Take a look at the 39-114L or 39-205 folding handle, which both have an 11/32" diameter opening used to attach the handle to the operator base. I would recommend removing the piece of your t-crank that is still attached to the operator base to confirm that your original handle is the same size. Thank you! Alternate view of the gear hole
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