These clips fit onto a 1-15/16" wide aluminum headrail track (see photo 4).

These clips are for a wall mounted vertical blind aluminum track
with a Valance Dust Cover (see photo 3).
The middle leg of this clip will not affect the
installation on a 1-15/16" wide track as show in photos.

Photo (2) shows the clip mounted to the top of a vertical blind aluminum track.

Photo (3) A view of a clip mounted on track and holding the Valance (dust cover).

Make sure you aluminum track measure 1-15/16" wide see photo (4).
If not don't order these clips.

To install hook the front of the clip onto the track and then press down hard
on the slanted part and it will snap onto the track.

Do not purchase these if your track does not measure 1-15/16" wide.

There are many clips that look alike but they fit onto different width tracks.
Make sure you aluminum track measure 1-15/16" wide.