Empty Big mop 49.5mm felt nib. Squeeze 80ml bottle.
Replacement nib : 49.5 mm
Alcohol-based inks are suitable.
! Caution!
Do not throw away this inner cap.
This is a very important part to prevent ink leakage.
This inner cap and the small hole are for adjusting the amount of ink.
If you want more ink to come out, enlarge the small hole.
