Enjoy the gel pen with a revolutionary mechanism and a timeless design. Featured with effective anti-roll function and magnetic closure, the Arc pen is a gel pen that always presents its best self. A Magnetic Pen that Always Presents Its Best Self. Own the world's first gel pen that employs a unique self-aligning magnetic mechanism to allow a perpetual minimal design with a satisfying click. Two-Sided Alignment The Arc pen has a 2-sided self-aligning magnetic mechanism, through which the anti-roll flat sides along the pen body always get aligned perfectly. Best Gel Ink Refill The Stilform Arc is armed with the renowned Pilot refill that writes extra smoothly and offers great water and fade resistance, making the Arc pen the perfect companion for creatives, architects and illustrators. All Metal + Precision-Machined All parts are from high-grade titanium or aluminium. The superb materials are well known for the extremely high durability and exceptional light weight.