- Measure splined shafts, slots and keyways
- Graduation 0.01mm
- Ratchet stop
- Carbide measuring faces
- Supplied with setting standards (except 0-25mm)
| Code | Range | Type | Accuracy | L | b |
| 3233-25A | 0-25mm | A | 4μm | 57 | 32 57 |
| 3233-25BA | 0-25mm | B | 4μm | 57 | 32 |
| 3233-50BA | 25-50mm | B | 4μm | 82 | 44.5 |
| 3233-75BA | 50-75mm | B | 5μm | 107 | 57 |
| 3233-100BA | 75-100mm | B | 5μm | 132.6 | 69.5 |
| 3233-125BA | 100-125mm | B | 6μm | 158 | 82 |
| 3233-150BA | 125-150mm | B | 6μm | 183.4 | 94.5 |
| 3233-175BA 3 | 150-175mm | B | 7μm | 208.8 | 107 |