To Create a Feature Control Frame Symbol With a Surface Indication Leader (AutoCAD Mechanical Toolset)

Click Annotate tab Symbols panel Feature Control Frame . Find
Select an object to attach the feature control frame to.
At the command prompt, enter F.
Note:
The surface option is available only if the revision of the standard in use permits surface indication lines
Specify the start point of the surface indication line. (1 in the illustration above).
Specify one or more points to define the vertices of the leader (2 and 3 in the illustration above), and then press ENTER.
In the Feature Control Frame dialog box, enter the data.
Click OK.