Display and edit drawing dimension precision and tolerance

1. Right-click the dimension, and then select Edit from the menu.
2. In the Edit Dimension dialog box, click the Precision and Tolerance tab.
3. In the Tolerance Method list, select the tolerance type from the list. When you select the type, the associated tolerance value boxes are available to edit.
4. In the Precision box, select a precision level for primary units and primary tolerance.
5. Select the Override Model Value check box and enter a value. The entry changes the dimension display in the drawing, but does not change the model.
6. Click OK to close the dialog box.

Tip: To set the style for all precision and tolerance notations, use settings in the dimension style.