To Modify an Inspection Dimension

Click Drafting tab > Dimension panel > Dimension, Diminspect.
In the Inspection Dimension dialog box, click Select Dimensions.
The Inspection Dimension dialog box closes. You are prompted to select dimensions.
Select the inspection dimension you want to modify. Press Enter to return to the dialog box.
Under the Shape section, make the desired changes to the frame type.
Under the Label/Inspection rate section, make the desired changes to the label and inspection rate.
Click OK.