The COPIC Multliner SP system makes it easy to get the most out of your SP pens. Using the special replacement tool, just slide your empty refill out and insert the new one. Wait a minute or so and you are back to drawing. If you are a serious artist, then your tools are an investment. This refill capability extends the life your pen’s indefinitely.
Refill B is suitable for sizes 0.2, 0.25, 0.3, 0.35, 0.5, 0.7mm, and BS Copic Multiner SPs.