Leuchtturm 1917 Drehgriffel No. 1 Gel Pen

The Leuchtturm1917 Drehgriffel No. 1 Gel Pen is an award-winning writing instrument featuring a retro 1920s hexagonal design, a precision-milled aluminum and brass body, and a smooth spring-loaded twist mechanism. It costs comes in numerous colors, and uses a 0.5mm gel refill.
Key Features & Design

• Design & Feel: "Drehgriffel" translates from German to "twist stylus". The pen features a long, tapered nose cone, contrasting colored twist mechanism, and a hexagonal barrel. It is well-balanced, slim (9mm diameter), and lightweight.
• Ink Performance: It uses a fine-point (0.5mm) black gel ink refill that provides a smooth, fluid, and precise writing experience similar to Japanese calligraphy brushes. The ink is document-proof.