need to purchase the correct window crank

A home owner from USA says:
1. The opening (for gear bore) is about 3/8 inch. (Photos are, Imag0992 and Imag0993

2. The photos (Imag0990) showed the dimensions.

3. I cannot find the logo of Anderson on the casement window.
User submitted photos of a window operator.
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
I believe your operator is similar to the Truth 39-022. This type of operator takes the 39-114L handle, which clips on without using a set screw. Looks like that's how yours works, too. I would just make sure the hole diameter is 11/32".
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