Set part dimension tolerance with Tolerance dialog box
Double-click a dimension to open the edit box, and then click to select Tolerance.
In the Tolerance dialog box, change values as desired:
In Precision, click the arrow to set the decimal precision of the dimension.
In Evaluated Size, select Upper, Nominal, Median, or Lower to use when evaluating the dimension.
In Type, click the arrow and select a tolerance type for the selected dimension.
Depending on your selection, enter values to set Upper and Lower tolerance range and tolerance for hole and shaft dimensions (for Limits and Fits).
Click OK.
Parent topic:
Part dimension tolerance and properties