- Measure wall thickness of tubes
- Resolution 0.001mm/0.00005″
- IP54 dust/waterproof
- Button function: on/off, set, mm/inch, ABS/INC, data output
- Data output
- SR44 or LR44 battery, automatic power off
- Ratchet stop
- Carbide spindle tip
- Supplied with setting standards (except 0-25mm/0-1″)
- Optional accessory: data output system
| Code | Range | Type | Accuracy |
| 3561-25A | 0-25mm/0-1″ | A | 6μm |
| 3561-25BA | 0-25mm/0-1″ | B | 6μm |
| 3561-25CA | 0-25mm/0-1″ | C | 6μm |
| 3561-25DA | 0-25mm/0-1″ | D | 6μm |
