window crank - 40066 truth - 13 3/4 slide on window - so do i need a 9 inch or 11 inch crank set up -
Dave Sr. from SWISCO responded:
January 18, 2017
Can you confirm the length of your arm? Just eyeballing your picture, it looks like it might be shorter than 13-3/4". I'm afraid the closest matches we have are our 39-138 or 39-141.