Ink cage Principal Ef nib

This new spring cage act like an ink reservoir for a pointed pen nib, allowing all the moments  and writing without re-dipping. 
* Each ink cage comes permanently attached with spring they are not removable. 

How to prepare this nib:- 
1. Use toothpaste to clean the nib before use and with gentle pressure. And soaked it with tissue paper. 

2. Clean the nib by  dripping out extra ink and with water. Repeat the process of needed. 

3. Do not play with spring as if it gets breaks then we are not responsible for that 

4. Store them in safe container.