Window operators for a house built in 1949

A home owner from California says:
April 17, 2017
I have 3 windows that could benefit from new window operators. House was originally built in 1949. I think that one of the sets has been replaced, but the others are likely originals. Looking at your website, it looks like Product Code: 39-020 could replace this, but I thought I would check with you. I have included some sample photos of the windows. Thank you for your help.
User submitted photos of a window operator.
Profile picture of Tom
Tom from SWISCO responded:
April 20, 2017
I agree, our 39-020 and 39-021 look like our best matches. You may want to remove yours from the window just to be sure that everything matches up.
Wood Window Crank, 9"
Wood Window Crank, 9"
39-020
$33.50
Wood Window Crank, 9"
Wood Window Crank, 9"
39-021
$33.50
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