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The Diamond Mini is a smaller version of TWSBI's flagship pen, for those who like a pocket-sized pen. Combining the best of modern design with the best of the traditional fountain pen, it's a high-quality, stand-out pen you'll love to write with every day. Comfortable and well-balanced, it has a smooth-writing nib that makes writing effortless. Its transparent body is faceted like a diamond to catch the light and show off the ink inside. The Diamond Mini has a built-in piston filling mechanism that's easy to use, and the pen can be disassembled for cleaning.The cap can be screwed onto the end of this compact pen to extend it for writing.
TWSBI made a name for themselves with their high-quality, affordable demonstrator pens, which let you see the inner workings of your pen. The built-in filling mechanisms they use are usually only found in much more expensive fountain pens. TWSBI encourages writers to get to know the mechanics of their pens by disassembling and maintaining them at home.