Select Home tab > Select & Edit panel > Select > Select Circles to display the Select Circles dialog, which you can use to select multiple circles of a similar size.
To select circles of similar sizes:
The Select Circles dialog is displayed.
To use the radius of a specific circle, click the blue label and select it in the graphics window.
You can now use these circles to create patterns of holes. See Creating patterns or Point list pattern for additional information. See also Interrogating numeric values.