With a hefty 50ml capacity, TWSBI's Diamonod 50 ink bottle has an upper reservoir that aids filling your fountain pen right down to the very last drop.
This Diamond 50 ink bottle suits all of TWSBI's Diamond series pens, including the Diamond Mini. It also comes empty.
| Brand | TWSBI |
| Size/Dimensions | 8 x 6 cm |
| Product Weight | 190g |
| Volume | 50ml capacity (sold empty) |
| Material / Type | Glass, Aluminium |
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