Mark One – Studio Neat

Mark One is a custom machined, all-metal, retractable pen with a ceramic based exterior coating for long lasting durability. It’s built for our favorite rollerball refill, and has a satisfying-as-heck custom click mechanism.

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Mark One Pen Review — The Pen Addict

Mark One

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Studio Neat - Mark One Pen - Desktop Holder/Tray by GeneralDefyre, Download free STL model

Mark One – Studio Neat

Mark One Pen Review — The Pen Addict

Studio Neat (@studioneat) / X

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Mark One by Studio Neat

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