- Resolution 0.001mm/0.00005″
- Button function: on/off, set, mm/inch, ABS/INC, data output
- Data output
- SR44 or LR44 battery, automatic power off
- Ratchet stop
- Carbide measuring faces
- Optional accessory: data output system, setting ring (code 6312)
| Code | Range | Type | Setting ring | Accuracy |
| 3520-30 | 5-30mm/0.2-1.2″ | A | 5mm | 5μm |
| 3520-50 | 25-50mm/1-2″ | B | 25mm | 6μm |
| 3520-75 | 50-75mm/2-3″ | B | – | 7μm |
| 3520-100 | 75-100mm/3-4″ | C | – | 8μm |