Hole Callout Instance Count for Mirrored Holes When you use the Hole Callout tool on a hole pattern that includes a mirror on the same body, the instance count includes the mirrored holes. SOLIDWORKS 2017 SOLIDWORKS 2016 Parent topicDimensions Related concepts Arc Extension Line or Opposite Side Dimension and Geometric Tolerances in General Tables Short Leader Radius Dimensions Tolerance Font Size Related tasks Changing the Origin Circle Size in DIN Ordinate Dimensions