TWSBI Diamond Mini Classic Black fountain pen

TWSBI Diamond Mini Classic Black

Piston filler type fountain pen.

TWSBI Diamond Mini Classic Black:
Comes in EF, F, M, B and stub 1.1mm
Roughly the same height as an iPhone when capped and stored away
Slightly longer when cap is posted on the pen. (perfect length for writing when cap is  posted on the back)
About 1 inch shorter than a Diamond 580 fountain pen.

TWSBI Diamond mini - details:
Capped Length: 117mm.
Posted Length: 140mm.
Uncapped Length: 108mm
Barrel Diameter: 13mm
Weight: 21 grams