g2 pen refill

uniball VISION ELITE Hybrid Gel Pen, Stick, Extra-Fine 0.5 mm, Black Ink, Black/Clear Barrel

BIC Color Cues Pen Set, 60-Count Pack, Assorted Colors, Fun Color Pens for School Supplies, Includes BIC Cristal Xtra Smooth Ballpoint Pens

Uni ONE Gel Pen Medium Pen Point 0.7 mm Pen Point Size Multi Gel based Ink 4 / Pack

BIC Ecolutions Clic Stic Ballpoint Pens, Medium Point (1.0mm), 48-Count Pack, Retractable Ball Point Pens Made from 78% Recycled Plastic