I'm traveling so I don't have any numbers. These are circa 70s windows. Various arm lengths. Pic is a bathroom window arm length approx 9in. LMK what else you need
Casey from SWISCO responded:
September 26, 2018
Depending upon your arm lengths, I would consider our 39-014 and 39-028E operators. They are the updated version of the traditional operators like 39-028. Compare your dimensions and see what you think.