| Model number | RB-03 |
| Manufacturer | Kingsure |
| Type | Twisted converter |
| ID | 7.5mm |
| Length | 71mm |
| Packing: | Bulk/ box |
| Application | Use this converter with the pens under Compatible Products to fill them with bottled fountain pen ink. |
| Features | Reasonable ink capacity and no leaking |
| Standard international cartridge. | |
| Super easy to use. |