The symbol is inserted into the Sym text box in the Geometric Tolerance dialog box. The following table describes the symbols.
| Geometric characteristic symbols |
|---|
| Symbol | Characteristic | Type |
|---|
|  | Position | Location |
|  | Concentricity or coaxiality | Location |
|  | Symmetry | Location |
|  | Parallelism | Orientation |
|  | Perpendicularity | Orientation |
|  | Angularity | Orientation |
|  | Cylindricility | Form |
|  | Flatness | Form |
|  | Circularity or roundness | Form |
|  | Straightness | Form |
|  | Profile of a surface | Profile |
|  | Profile of a line | Profile |
|  | Circular runout | Runout |
|  | Total runout | Runout |
