BOOX Wenshi Electromagnetic Pen Refill Set, Compatible with Wacom Replacement Pen Refills, Pack of 5

1. Clamp the old pen tip and pull it out of the pen along the direction of the pen barrel. Use tools such as a pen tip removal tool, a pair of tweezers, needle-nose pliers, or similar tools.

2. Insert the new pen tip into the pen barrel along the direction of the pen barrel. Push the pen tip smoothly until it stops moving forward.

After replacing the pen tip, recalibration of the electromagnetic pen is required.