- Graduation 0.001mm
- Carbide measuring faces
- Ratchet stop
- Setting rings are included (except 200-300mm)
| Code | Range | Accuracy | Setting ring |
| 3228-70* | 50-70mm | 5μm | Ø50mm |
| 3228-100* | 70-100mm | 5μm | Ø70mm |
| 3228-150* | 100-150mm | 6μm | Ø100mm |
| 3228-250* | 150-250mm | 8μm | Ø150mm |
| 3228-300* | 200-300mm | 9μm | – |
- Supplied with manufacturer calibration certificate