- Resolution: 0.01mm/0.0005″
- Carbide tips
- Buttons: zero, on/off, mm/inch
- Battery SR44 or LR44
- Data output
- Made of stainless steel
- Optional accessory: data output system
| Code | Range | Accuracy | L1 | L2 | a | b1 | b2 | d |
| 1181-M25A | M1-25mm | 0.04mm | 170 | 165.5 | 21 | 16 | 16 | 30.5 |
| 1181-M50A | M5-50mm | 0.04mm | 220 | 190 | 20.5 | 16 | 16 | 55 |