Dorwal is the name on the outside of the part. Screws are roughly 3 5/8" apart. Patio sliding Door was Herculite door made approx 1972. This is for my moms door.
Casey from SWISCO responded:
September 15, 2020
Hello,
Take a look at our 82-055 handle set with 3-1/2" hole spacing from center to center and see if this can work for you. Thanks for posting!