Working unit is passive for use with Bipolar HF Electrodes. In the rest position the electrode tip inside the sheath suitable for use with Bipolar electrodes and colonise knife.
| ENDOSCOPES/LENGHT | RESCETOSCOPE SEATH |
| INNER SHEATH | OUETR SHEATH |
| 2.9MM/302MM | 15.5 FR. | 18.5 FR. |
| 2.9MM/302MM | 20 fr. | 22 fr. |
| 4MM/302MM | 24 FR. | 26 FR. |