The tip of the pen features synthetic fibers specially selected and blended for optimum performance. These fibers possess superior abrasion-resistant qualities and help replicate the qualities of a traditional calligraphy brush. CDT's brush pen is the culmination of decades of expertise from Kuretake. Featuring CDT's signature blackish-green color and an elegant fountain-pen-inspired form factor, the pen is designed for both ease of use and convenience. A modern take on a classic craft. * Presented in a beautiful wooden box * Metal body * Takes Kuretake ink cartridges, available here * 3 Spare cartridges included * Made in Japan **About Craft Design Technology** Three Words, One World. They bring these three words together by marrying modern design with the Japanese heritage of traditional craft and technological innovation. View other Craft Design Technology products we stock here