- Graduation 0.01mm
- Ratchet stop
- Carbide measuring faces
- Optional accessary: setting ring (code 6312)
| Code | Range | Type | Setting ring | Accuracy |
| 3220-30 | 5-30mm | A | 5mm | 7μm |
| 3220-50 | 25-50mm | B | 25mm | 8μm |
| 3220-75 | 50-75mm | B | – | 8μm |
| 3220-100 | 75-100mm | C | – | 8μm |
| 3220-125 | 100-125mm | C | – | 9μm |
| 3220-150 | 125-150mm | C | – | 9μm |
| 3220-175 | 150-175mm | C | – | 10μm |
| 3220-200 | 175-200mm | C | – | 10μm |
| 3220-225 | 200-225mm | C | – | 11μm |
| 3220-250 | 225-250mm | C | – | 11μm |
| 3220-275 | 250-275mm | C | – | 12μm |
| 3220-300 | 275-300mm | C | – | 12μm |
