Uni Refill for Signo UMN 307 Gel Pen Malaysia UMR 87E, UMR 85E, UMR 83E
Name of product: Uniball Signo 307 Gel Roller Pen Refill 0.5mm/0.7mm /0.38 mm(1pc)
Refill Tips: 0.5mm / 0.7mm /0.38mm
Model: UMR 83E /85E / 87E
== 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.
Compatible Pen: UMN 307 Series
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