TWSBI Diamond 50 Ink Bottle - Blue

( 2 Reviews )

Current stock: 0

The TWSBI Diamond 50 Ink Bottle in Blue features a study clear tapered glass base with an anodized aluminum blue colored special top insert that is designed especially to fit on the TWSBI 580 and TWSBI Mini fountain pens, to make filling these piston filler pens cleanly and efficiently. If you remove the special filling top insert from the mouth of the inkwell, then the inkwell can be used to fill any bottle-filling fountain pen. 

2 Reviews

Theodore May 24, 2018

Perfect design

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

Paula Lett Nov 20, 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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