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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Testimonials ( 4279 )
(5,0/5)

Review By Lucy,
I have ordered from the writing desk several times and have always been more than impressed with ser ...
05-12-2018
Review By Carole,
I love this shop, very good service from friendly helpful staff. Ordered on Monday arrived Wednesday ...
05-12-2018
Review By Dr William Sellwood,
I have used the Writing Desk for several years to buy inks. Every single purchase has been swift, r ...
22-11-2018