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How to Repair If your bifold closet doors are sagging or scratching the floor, it's most likely due to a misalignment. A few basic adjustments should put them back on track and running smoothly. This pivot's bottom mounts to the floor or the base of a bracket to provide a secure, sturdy mounting. This kit is threaded for adjustment and can be used with many bi-fold door styles. Broken or cracked Anchor or Pivot Pins Anchor pins and pivots could break or become misaligned on bifold doors and