Precision: okay for 0.35 mm
Grip feeling: Bland and thin, not ergonomic.
Overall impression: The pen is rather too thin for a man hand. I recommend
Uni-ball Jetstream Ballpoint Pen - 0.5 mm for same precision (yes, somehow
uni-ball Jetstream ballpoint 0.5 mm has precision as this 0.35 mm pen). For
better comfort, I recommend Pilot G-Knock Retractable Gel Ink Pen 0.38mm but
note that this G-knock 0.38 is as thick as 0.5 mm in my humble opinion.
Precision: Okay as 0.5 mm
Grip feeling: Rather thin and therefore not very comfortable.
Overall impression: Everything is okay but the design is not ergonomic. I
recommend Pilot G-Knock 0.38 mm which feel appreciably more comfortable
everything else being the same. (G-Knock 0.38 somehow is as thick as 0.5 mm)