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 ( 4417 )
(5,0/5)

Review By Mark Hodgetts,
This is the second time that I have bought specialist ink from this company. This time the parcel ...
14-06-2019
Verified Purchase
Review By Brian Jacobs,
Wow! Impeccable advice and service. After purchasing a set of pens as present for last Christmas, ...
12-06-2019
Review By Sue,
Excellent service as usual! Pen worked flawlessly out of the box, many thanks!
12-06-2019
Verified Purchase