I am repairing a sliding screen patio door. To the best of my measuring, your
84-064 appears to be an exact replacement for the wheels.
My question is: Is the
84-083 a BETTER replacement, as it has the steel wheel. There are fewer dimentions to compare, and the spacing of the holes on the bottom tab being 1/16th of an inch wider seems to not be an issue as the unit snaps into the bottom of the door