| Model | B/IS |
| Conductor | Quadrifilar coil |
| Insulation material | Silicone |
| Connector | Bipolar IS-1 |
| Receptacle | Two unipolar 5mm |
| Length | 15cm, 20cm |
| Contents | 1 lead adaptor |
| B/IS-15 B/IS-20 |
Two unipolar 5mm receptacles to one IS-1 bipolar connector, 15cm Two unipolar 5mm receptacles to one IS-1 bipolar connector, 20cm |
consists of two unipolar 5mm receptacles and one bipolar IS-1 connector. Standard lengths are 15cm and 20cm.