congrats 

for when ya need new nibs or anything else

https://store.wacom.com/us/accessories/nibs-and-ink-refills/

they have different nibs ya might like

pliers will get the old nib out ,just leave enough of the nib so ya have something to grab with the pliers.

if the old nib gets flush with the pen ya have one heck of a time getting the old nib out. 

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The Artist that will fight for decades to conquer their media.
Even if you never know their name ,your know their Art.
Dark Sphere Mage Vengeance