TWSBI Ink Bottles

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TWSBI ink bottles are designed specifically to work with TWSBI fountain pens to provide quick, easy and clean filling of your pen.

Although designed primarily to partner the Diamond series of pens (Diamond 580 and Diamond mini), the TWSBI Diamond 50 ink bottle can be used with all makes and models of fountain pen.

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Review By Shahram Chubin,
Excellent, helpful and informed service and rapid delivery. Definitely the place to buy all things r ...
11-12-2019
Review By Edward Wiper,
Always a pleasure to order items from The Writing Desk,even though my Pilot Falcon was delayed throu ...
10-12-2019
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Review By Rs artist,
Just received my glass dipping pen and sketching ink. Love it! Already been sketching. Great servic ...
10-12-2019
Verified Purchase