Move a Line to an Exact Coordinate
 

In DesignModeler where I created a line, in the Detail View (located at the lower left panel), it show the X coordinate of the line as 5.5051 mm. What I want is the line to be exactly at 5.5000 mm, but I was unable to change that value in the Detail View (the box is greyed-out).

Is there any way I can change the X (and Y) coordinate of a line to the exact location I want or the length of the line? I only know how to create a line by drawing it with a mouse cursor, which ended up giving me not so accurate location and line length.

Thanks in advance for the help!