Noun
uniball (plural uniballs)
(automotive, aviation) A spherical bearing.
I am liking the Uniball Signo for fine writing in my Bullet Journal and for color work. Source: Internet
Uniball has a pen engineered for whatever writing style you prefer, that’s comfortable enough to use for long periods, and at a price point that makes sure you can pick up more than a few and keep them around your home or office. Source: Internet