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 ( 4956 )
(5,0/5)

Review By Colin,
Excellent choice and very competitive prices. Delivery was really fast Very pleased
23-02-2021
Review By Kathy Hudspith,
In what must be a very difficult time for small retailers the Writing Desk have provided me with exc ...
23-02-2021
Verified Purchase
Review By Gareth Heward,
So pleased to have found The Writing Desk. Ordered Thursday evening, arrived Saturday morning. Highl ...
20-02-2021