Jalousie crank that has no markings/name....
A home owner from Centereach,NY says:
June 28, 2016
I need 3 crank replacements for my jealousies Windows which were installed in 1993....
Dave from SWISCO responded:
June 29, 2016
Thanks for posting. I suggest considering our 39-346 operator. This comes with an assortment of different link arm sizes. See what you think!