2011

Specifies a distance to extend the extension lines above the dimension line.
(DIMEXE system variable)
Offset From Origin
Sets the distance to offset the extension lines from the points on the drawing
that define the dimension. (DIMEXO system variable)
Fixed Length Extension Lines
Enables fixed length extension lines. (DIMFXLON system variable)
Length
Sets the total length of the extension lines starting from the dimension line
toward the dimension origin. (DIMFXL system variable)
Preview
Displays sample dimension images that show the effects of changes you make
to dimension style settings.
New, Modify, and Override Dimension Style Dialog Boxes | 315