UM-100 (05)

    UM-100 (05)

    UM-100 (05)

    Tip: Stainless steel

    Ball: 0.5mm tungsten carbide ball

    Barrel: Plastic (AS)

    Ink Colour: 6 colours (Black, Blue, Red, Blue-black, Green-black, Brown-black)

    Ink Refill: UMR-5N (2 colours/Black, Blue)

    • When the pen is positioned in a downward position, the ink flows smoothly from the ink flow channel.
    • When the pen is positioned in an upward position, the reverse flow prevention ball works to stop the flow of air into the ink.
    Ball Tip

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