TWSBI Ink Bottles

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The TWSBI Diamond 50 ink bottle features an internal reservoir for easy filling even when the level in the ink well is low (compatible with all fountain pens). A unique feature also allows for the barrels of TWSBI Diamond series piston-filling pens (ie without nib unit fitted) to be filled by connecting directly to a filling tube. This method ca...

The TWSBI Diamond 50 ink bottle features an internal reservoir for easy filling even when the level in the ink well is low (compatible with all fountain pens). A unique feature also allows for the barrels of TWSBI Diamond series piston-filling pens (ie without nib unit fitted) to be filled by connecting directly to a filling tube. This method can also be used for filling standard size converters.

Note that this is the version with aluminium parts.

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Testimonials ( 4222 )
(5,0/5)

Review By Billington,
Delighted to discover The Writing Desk as one of those people still passionate about pens. I needed ...
17-06-2018
Review By Margaret Finch,
Thank you! My order arrived very quickly and was well packed. The website was very easy to use and ...
16-06-2018
Verified Purchase
Review By andrew,
I dropped by the shop as I was nearby with my three tired TWSBI 530's, one with a broken cap, two wi ...
14-06-2018