- Balanced numbering
- Plus on right, minus on left
- Fixed center dial
- ADG size 2
- For Snap/OD gages
The letter designating the dial format follows the indicator part number.
For example:
- 2I50-01B for 2I50-01 indicator with B format dial face
- 2DM100-01G for 2DM100-01 indicator with G format dial face