| Model | DYAD IS |
| Conductor | Quadrifilar coil |
| Insulation material | Silicone |
| Connector | Bipolar IS-1 |
| Receptacle | One unipolar IS-1 One bipolar IS-1 |
| Contents | 1 lead adaptor |
| DYAD IS |
One unipolar IS-1 receptacle and one bipolar IS- 1 receptacle to one bipolar IS-1 connector |
enables the adaption of one unipolar IS-1 connector and one bipolar IS-1 connector
to one bipolar IS-1 pacemaker header cavity.