Zebra JSB-0.4 Gel Ink Pen Refill - D1 - 0.4 mm - Royal Blue

Zebra JSB-0.4 Gel Ink Pen Refill - D1 - 0.4 mm - Royal Blue

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4.0 (7 reviews)
DescriptionSpecificationsFrequently Asked Questions
One pen refill component only. Customizable body and pencil component refills available separately.

Mechanical pencil components are available in: 0.3 mm, 0.5 mm and 0.7 mm.
Pen refill components are available in a: 0.4 mm, 0.5 mm, and 0.7 mm sizes and in a variety of colors.

Meet the incredible pen that has been a hit success among professionals in Asia. The Sharbo X is really about choice. The freedom of choice to choose your own pen body color, pencil lead size, ink color, and pen tip size. The diligent accountant might want a matte black body with a 0.3 mm pencil, 0.4 mm Blue Black pen and 0.4 mm Carmine Red pen. The architect might prefer a silver body with a 0.7 mm pencil, 0.7 mm Ever Green and 0.7 mm Black ink pen. Whoever you are, this is the pen that can be customized for your needs.

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Customer Reviews

I use this refill with...
October 22, 2014
Verified Purchase
I use this refill with my Livescribe 3 pen. Love the color and ink flow. The only downside is the D1 size required by the pen; with gel ink, a refill does not last as long as a standard ink refill.
1 person found this helpful
Buyer beware! This refill...
February 27, 2015
Verified Purchase
Buyer beware! This refill writes super thin! Yeah yeah, I know, it's a .4mm refill, thin is to be expected. But I wasn't expecting the line weight to be half of what my Pigma MICRON01 .25mm is. I bought the Royal Blue, Ever Green and Blood Red refills (all .4mm) and noticed that the ink flow is different for each color. The Royal Blue writes really smooth, with no interruptions and hardly any line variation. The Blood Red skips a bit and scratches the paper more. Ever Green is between the two. I'm not sure if this is because of the difference in ink color or if it's a QC issue, I imagine this ultra thin line doesn't allow for much tolerance in the rollerball hardware.
All of the above said, I still enjoy these refills, the colors are beautiful and it's fun to have these ultra thin pens to play around with.
Works very well with...
February 3, 2015
Verified Purchase
Works very well with no problem laying down a smooth and solid line of writing. It writes extremely fine, and the user must want and appreciate the delicate touch it provides.
Love these refills -...
October 18, 2014
Verified Purchase
Love these refills - have continued to used them for over 6 years!
This fit perfectly in...
September 12, 2012
This fit perfectly in my Rotring multi pen. It writes very nicely, unlike the very stiff ballpoint that the Rotring came with. Line is thin, which means that the ink should last for a long time.