Zebra BJF-0.5 Sarasa Study Gel Pen Refill

Ink refill cartridge for Zebra Sarasa Study. The ink cartridge has markings that allow you to easily see how many percent of the ink you have used. In this way, it's easy to get a confirmation of the amount of work you've put up after a proper study session.

Nib in 0.5 mm. Available in blue, black and red.

Pack of 1.