About Using Shape Surface Selection to Select Surfaces of a Volume
Use the Shape Surfaces feature to select multiple similar surface shapes of a volume. You can select a shape, and then select the required surface shapes of a volume. The Shape Surfaces feature is available only when one of the surfaces of a volume is selected. The following types of geometry are available for selection:
Boss
Bosses
Cut
Cuts
Round/Chamfer
Rounds/Chamfers