Steel telescoping closet bar, brand new.
Telescopes 72" - 120".
About the tab:
Tab rests on furring strips attached to left and right closet walls.
Furring strips are in turn fastened to left and right wall studs.
Hole in tab is to drive a screw or long nail into the top of furring strip tab for added security.
Bend tab out of the way for direct installation into wall studs.