TWSBI

TWSBI Blue Ink Bottle

$25.00
( 2 Reviews )

Current stock: 0

Designed exclusively for the Diamond 530/540/580/Mini pen for clean and simple filling. Just unscrew the section and nib unit on your 530/540/580/Mini insert the special top on the bottle and turn the piston to fill the barrel with ink. Can be used with any other fountain pen by removing the special top.

2 Reviews

5/5
Theodore May 24th 2018

Perfect design

Even my #6 size nibs get a full fill from it. Genius

5/5
Paula Lett Nov 20th 2017

Great Inkwell

I've been wanting one of these for a while. Was very happy to find it is stock here and it arrived very quickly. Love using this with my pens.

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