This is a comprehensive guide on Gravitas fountain pens, find out how to care for them, how to remove nibs, how to disassemble them and put them back together, clean and properly grease all the parts.
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Intro - 00:00
QUARK - 01:52
POCKET - 09:51
ENTRY & SENTRY - 13:53
ULTIMATE VAC - 14:36
Outro - 24:47
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