I can only find "truth" stamped on the arm of the crank. Looking to replace parts for 6 windows which I do not know the. Manafacturer.
Emily from SWISCO responded:
April 21, 2023
Hello there!
Thanks for reaching out to us. I recommend you start by taking a look at our 39-013 and 39-014 operators along with the 38-075 lock which uses the 38-089 keeper. Carefully review the specifications for these parts and compare them with your old hardware to see how they match up.