| Models | Material | Components |
|---|---|---|
| R20-2B | Aluminium | Tracks |
| R20-5 | Aluminium | Input connector |
| S20 | Aluminium | Corner Connector |
| S20-2 | Aluminium | Circle Track Ruler |
| Models | R20-2B | R20-5 | S20 | S20-2 |
|---|---|---|---|---|
| Material | Aluminium | Aluminium | Aluminium | Aluminium |
| Components | Tracks | Input connector | Corner Connector | Circle Track Ruler |
