| Code | Range | Accuracy | Remark |
|---|---|---|---|
| 4789-1 | Ø3.5mm-25mm | 2μm | fixed stand, good rigidity |
| 4789-2 | Ø1mm-25mm | 2μm | fixed stand, good rigidity |
| 4789-3 | Ø1mm-25mm | 2μm | fixed stand, good rigidity |
| 4789-1A | Ø3.5mm-25mm | 2μm | universal stand, convenient operation |
| 4789-2A | Ø1mm-25mm | 2μm | universal stand, convenient operation |
| 4789-3A | Ø1mm-25mm | 2μm | universal stand, convenient operation |





