| Art No | Model | Shank | Length | Feeler | Repeatabllity | Description |
| 9521 | OEF-12LA | Φ12mm | 100mm | Φ10mm | 0.005mm | Optical |
| 9522 | OEF-16L | Φ16mm | 100mm | Φ10mm | 0.005mm | Optical with sound |
| 9523 | OEF-20LAS | Φ20mm | 100mm | Φ10mm | 0.005mm | Optical |
| 9524 | OEF-20LA | Φ20mm | 160mm | Φ10mm | 0.005mm | Optical |
| 9525 | OEF-20L | Φ20mm | 160mm | Φ10mm | 0.005mm | Optical with sound |
| 9526 | OEF-3/4″LA | Φ3/4″ | 100mm | 0.4″ | 0.0002″ | Optical |
| 9527 | OEF-3/4″L | Φ3/4″ | 100mm | 0.4″ | 0.0002″ | Optical with sound |
