This is a replacement clutch reservoir for the 1989 to 1997  Thunderbirds, Supercoupe, Mercury Cougars, and XR-7.

It comes complete with a new reservoir, cap, diaphragm, tube, and retaining clips.

The reservoir has approximately 1oz fluid capacity.  The Tube is 7.25in long with 1/2in Outer Diameter and  9/32in Inner Diameter.