- Liquid ink marker.
- Transparent window for viewing remaining ink supply.
| Pen | SW-VSP | ||
|---|---|---|---|
 |
Green: | 4902505134687 |  |
 |
Red: | 4902505134661 |  |
 |
Black: | 4902505134654 |  |
 |
Blue: | 4902505134678 |  |
| Pen | SW-VSP | ||
|---|---|---|---|
|
Green: | 4902505134687 | |
|
Red: | 4902505134661 | |
|
Black: | 4902505134654 | |
|
Blue: | 4902505134678 | |