DIMENSION STYLE: SYMBOLS AND ARROWS TAB

Click the Symbols and Arrows tab and you will see the following:
Under Arrowheads, adjust the following settings:
- The shape of the First arrowhead.
- The shape of the Second arrowhead.
- The shape of the arrowhead to be used in the Leader.
- The Size of the arrowhead.
Note
If you change the first, the second will change automatically, but if you change the second the first will not change.
Under Center marks, adjust the following settings:
- Select whether to show the Center mark or to show centerlines.
- Set the Size of the Center mark.
Under Arc length symbol, control whether to show the symbol Preceding the dimension text, Above dimension text, or None. Take a look at the following illustration:
Under Dimension Break, set the Break size, which is the width of the break of the dimension lines in a dimension break.
Under Radius dimension jog, set the value of the Jog angle. Take a look at the following illustration:
Under Linear Jog dimension, set the Jog height factor, as a percentage of the text height. Take a look at the following illustration: