It can be used with a sharp and a ballpoint pen in one roll. The working part is made to create a "tight" rotation when switching between the core. Uses a spring-loaded clip that is easy to clip on thick notebooks, etc.
| Brand | Unbranded |
| Type | 3D Modeling & Rendering |
| MPN | B004NRBTFG |
It can be used with a sharp and a ballpoint pen in one roll. The working part is made to create a “tight” rotation when switching between the core. Uses a spring-loaded clip that is easy to clip on thick notebooks, etc.