ZedLab Stylus Ink Pen 2 in 1 Ink Refills

Simply unscrew the end of the writing pen, remove the old refill and insert the new one, no springs or mechanisms, just drop it into place and screw it back together. The refills are identical to the one supplied with the pen, you will be writing again in less than a minute. This pack contains four refills, smaller packs are available.