| Range | Accuracy | Code No. | |
| 0-1" |
± .0001" |
122-51-1 |
|
| 1-2" |
± .0002" |
122-52-1 |
|
| 2-3" |
± .0002" |
122-53-1 |
|
| 3-4" |
± .0002" |
122-54-1 |
|
| 4-5" |
± .0002" |
122-55-1 |
|
| 5-6" |
± .0002" |
122-56-1 |
|
| 6-7" |
± .0003" |
122-57-1 |
|
| 7-8" |
± .0003" |
122-58-1 |
|
| Range | Accuracy | Code No. | |
| 0-25mm |
± 0.004mm |
122-51-0 |
|
| 25-50mm |
± 0.004mm |
122-52-0 |
|
| 50-75mm |
± 0.005mm |
122-53-0 |
|
| 75-100mm |
± 0.005mm |
122-54-0 |
|
| 100-125mm |
± 0.006mm |
122-55-0 |
|
| 125-150mm |
± 0.006mm |
122-56-0 |
|
| 150-175mm |
± 0.007mm |
122-57-0 |
|
| 175-200mm |
± 0.007mm |
122-58-0 |
|