TWSBI pens made by one of Taiwan's most experienced pen maker who started out as a contract manufacturer. The TWSBI Vac 700 is being re-engineered and improved, the Vac700R come with new pen valving. The single large valve simplify the ink filling. The bottom of the grip/feeder section has also been enlarged and tapered more drastically. Now with even more consistent ink flow when valve is opened and simply pull up, push down and your ink is filled, ready to go.
This is special edition that features a clear demonstrator body with rainbow-colored iridescent trim and a stainless steel nib accented with rainbow iridescent color. No two are exactly alike.
Please take note that each trims and nib iridescent color is unique and different.
Sytem: Vacuum filler type fountain pen.
Nib type: steel nib
Nib Size: EF, F, M, B, Stub1.1
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TWSBI Iris Vac Pen
Overall a nice and practical pen. Should be considered a rarity and a headturner conmbined. One of few negative pressure pens around in the market. Finishing a bit rough but it has some weight of luxurious pens. Its rare feature is the rainbow shade reflective coating not found elsewhere. Nearest comparison would be Pilot, Visconti and a Chinese brand which have similar ink mechanism. Conid has same type of pens but no more available in the market and too costly to own except used ones. Not many such pens around but Twsbi is well known because of its Vac pressure pens. Worth buying and keeping one if you love rare vacuum negative pressure ink pens.
Affordable and best performance stub nib. buttery smooth writing especially matched with Diamine Jalur Gemilang ink.
This one is eye-catching without a doubt. The beautiful iridescent design is what calls you immediatly. But then you have the great quality behind its name.
Quite comfortable on hand and great ink capacity.
Beautiful writing instrument!
This high quality fountain pen features a very interesting unique vaccum filling mechanism..., the rainbow jowo #6 nib is beautifully crafted and give you a smooth writing experience. I am a happy man!
TWSBI Vac 700 R Iris
Superb pen. Neat nib and has a heft on it which I totally love
Apparently the pen was improved with even more consistent ink flow. Love the iridescent color which is really unique. Fairly large pen compare to Diamond Mini AL.
Overall, the pen worth the price and highly recommended
Got this in a stub 1.1 and it writes beautifully