Uni-ball Refill for Signo UM100 Gel Roller Pen 0.5mm 0.7mm 1pc UMR5N UMR7N
Name of product: Uniball Signo Gel Roller Pen UM 100 Refill 0.5mm / 0.7mm
Model: UMR 5N /7N
Refill for Signo Gel Roller Pen UM 100
Refill Tips: 0.5mm / 0.7mm
== Made In Japan==
√ Smooth writing due to low viscosity ink
√ Fast drying suitable for left-handed
√ Darker lines from fortified ink
√ To accommodate this hybrid ink, Uni updated the mechanics of the pen with a "twin ball" system.
√ The built-in spring pushes the ball at the pen tip forward, preventing the ink from leaking when not in use.
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