TWSBI Diamond Mini Fountain Pen - Black, Extra Fine Nib Sailor Bottled Inks This is a universal size

This is a universal size refill that will fit most standard pens

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this Good Design Award-winning retractable eraser is ultra-portable and ultra-precise

TWSBI Diamond Mini Fountain Pen - Black, Extra Fine Nib Sailor Bottled Inks This is a universal sizeTWSBI has taken the beloved Diamond 580 and miniaturised itt. WIth all the same features the TWSBI Diamond mini is the perfect travel companion. TWSBI Diamond mini is a classic fountain pen with a piston ink filling system. By fusing the traditional mechanisms of the fountain pen with a modern industrial design, TWSBI have created an eye catching fountain pen that is simultaneously appreciative of the past and relevant in the present. The Diamond Mini