They are truth window cranks, looking for 2 rights and 2 lefts. They are 13 1/2 inch ,do you have and how much.
Paul from SWISCO responded:
July 10, 2014
I recommend you start with our 39-013 and 39-014 and see if these will work for you. If you also need the handle, see our 39-114L or its folding equivalent, the 39-205.