FKA-1SR Kakuno student fountain pen product manual: * Triangular pen grip, easy to correct the pen holding posture, preferred for beginners. * Resin barrel, light barrel, suitable for long time writing. * The nib is made of special alloy, which is suitable for writing letters, practicing calligraphy and taking notes. Pen nozzle: EF nozzle (extremely fine), F nozzle (fine), M nozzle (middle) Pen color: transparent, gray, blue, light green, orange, pink, red, light blue, light pink, light purple, light yellow Can be equipped with ink cartridge: IC-50: black, red, blue, black and blue IC-100: black, blue, black and blue IRF-5S: black, red, blue, black blue, brown, green, pink, purple IRF-12S: black, black and blue Can be equipped with ink cartridge: CON-40-CHN Available ink: INK-15/30/50/70/350 Baile launched the simple and convenient fountain pen KAKUNO, The shape resembling a gel pen and the smart and colorful shell break everyones stereotyped impression of the "pen". KAKUNO won the "Good Design Award" in 2014, Because it goes from the cap, the tip, the grip to the barrel, All reflect the designers ingenuity and care for users.