The ink gets "loose" and spills out all by itself

I'd say about two or three refills did not write quite as well (ink was too runny)

They are fairly fragile though and the ball has either broken or fallen out maybe leaving the ink free to ruin my shirt.

Superfine line with smooth flow ink..... EXCELLENT

Love the fine point ink and nothing is better than G2.

Ink is not supposed to expire within 1 or 2 years if stocked in a cool place like 70 F, but the pack that I

Amazon sent two packages of the wrong ink refills, but the ones that were correct are great.