I had to use a track or my door would swing too far but the first one I bought (see photo) was just an L shaped piece of metal. I'm smart enough to hang the door, but I miscalculated and lifted it too high. Then when I corrected that the widest setting on the track was too wide for my door and cutting a groove on the bottom of the door didn't work either. I was so angry! Then I went back to the drawing board and found this guide. That's great! He comes to my door and lets it open and close smoothly and quietly without damaging the paint on the door.
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