Uni Multi 5 4 Color 0.7 mm Ballpoint Multi Pen + 0.5 mm Pencil - Black Body

I've had this pen for a while now (also have the navy blue model). The first thing I did was install the Jetstream multi refills since they are the same size as the stock ballpoint refills. I prefer the Jetstream ink over the ballpoint, but the ballpoint isn't that bad on its own. Overall, it's a decent pen if you need multiple Jetstream ink colors.

Unfortunately, I must have dropped the pen because there's now a crack in the upper barrel. It's not obvious until you turn the grip; since it no longer maintains a tight fit around the thread on the lower barrel, the grip can keep spinning around.

It is marketed as an inexpensive pen, but I would recommend the official Jetstream 4+1 pen instead. Its build quality is much better and it feels more substantial.

It's too bad Uni doesn't make the green refill in 1.0MM flavor, otherwise I'd try to make a 4-color 1.0MM Jetstream multipen.

can you fit jetstream refills in this pencil? if you can, this would be the ultimate multi pen.
my friend armando has this pencil and it works flawlessly. the grip is not very comfortable (knowing what uni ball is capable of creating) so i do not use this pencil often. but for some reason.... i find my self reaching for this more than my dr grip and alpha gels. wish i had one XD

The Uni Multi 5 4 pens/pencil
I like this pen because 1) It writes very smooth without skipping. 2) There is enough metal traction in the tip for good penmanship. 3) The pencil is excellent. It could use a more ample eraser head. The representative at Jet Pens said that it uses the same eraser refills as the Uni Jet Stream multi pens/pencil which is a size S. I also bought the Jet Stream which writes more like gel or a fountain pen ink. This one writes much more like ballpoint ink.