XS_MARK_LEADER_LINE_ARROW_HEIGHT
Category in Advanced options dialog: Marking - general
Use this advanced option to define the height of
the arrow head in the mark leader line. 1 is the default value. For
example, the standard AutoCAD leader lide arrow height is 0.67.
This advanced option is role specific. When the type SYSTEM(ROLE) is in use, the default value is used. When the type MODEL(ROLE) or DRAWING(ROLE) is in use, you can change the value, which is then the same for all users in the current model.