3 5/8 * 72 length and width of track.
gap between two tracks is 1 5/8 the glass is made by stanley i need to know if the 23-242 is the correct track attached are images of bottom track, lower and upper wheels.
Tom from SWISCO responded:
June 10, 2015
I agree, the 23-242 looks like a good match. The total width may be a little different, but that's not as important as the distance between the rails. Just make sure that's the same.