Pentel K497 B Gel Ink Rollerball Pen Medium Tip 0.7 mm Red

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Pentel K497 A Gel Ink Rollerball Pen Medium Nib 0.7 mm Black, unit size

Pentel K110 V Mattehop Gel ink Rollerball, 1.0mm Tip, Red (Single Pen)

Pentel BL80 BX EnerGel Retractable Gel Ink Rollerball Pen,Red,1 mm