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 ( 4239 )
(5,0/5)

Review By Anthony Kuspilich,
Brilliant service with great products, safely packaged and excellent value postage to Australia whil ...
13-08-2018
Verified Purchase
Review By Sabah N Hamad,
Martin at the Writing Desk has just customised the nib of one my Mont Blanc 149 to straight cursive ...
12-08-2018
Verified Purchase
Review By Cormac MacMullan,
Super service - my VIsconti Opera back in action. Thanks again. "I'll be back!"
10-08-2018