Very old shower door in need of replacement sweep and/or drip rail
A home owner from Sunnyvale, CA says:
November 21, 2017
The second and third holes are approx 8.75
Tom from SWISCO responded:
November 29, 2017
I would start by looking at either our 10-324, 10-325, or 10-326, depending on length. You may be able to use these drip rail sweeps on your shower door.