
| Measure wall thickness of tubes |
| Graduation 0.01mm |
| Ratchet stop |
| Carbide spindle tip |
| Supplied with setting standards (except 0-25mm) |
| Code | Range | Type | Accuracy | L | b |
| 3261-25A | 0-25mm | A | 6μm | 31 | 24 |
| 3261-50A | 25-50mm | A | 6μm | 57 | 32 |
| 3261-25BA | 0-25mm | B | 6μm | 31 | 24 |
| 3261-50BA | 25-50mm | B | 6μm | 57 | 32 |
| 3261-25CA | 0-25mm | C | 6μm | 31 | 24 |
| 3261-25DA | 0-25mm | D | 6μm | 31 | 24 |