The 'E' Type Forum

Hi. I have fitted the glass with the first rubber seal but i think there is a locking rubber to go in before the chrome strip. I think I have it but I took out of packet and I can't identify it now. (we have lots of old ones)
Can anyone tell me the profile. S1 1965

I have found one which has a sort of triangular shape with a rounded top. Maybe that is it . BD20201