10/5pc MUJI MoMA 0.38/0.5mm Gel Ink Ball Point Pen Japan School Office Ballpoint | eBay
WallDeca Gel Ink Pens | Fine Point Tip (0.5mm), Assorted Rainbow Colors, 12 Count, Retractable | Made for Everyday Writing, Journals, Notes and Doodling : Amazon.ca: Office Products
Vintage Tone Quick Dry Ink Pen 0.5mm Gel Pen Retro Color - Etsy Canada
Pentel EnerGel X Retractable Liquid Gel Rollerball Pen, 0.5mm Fine Needle Point, Blue Ink, Box of 12 | Walmart Canada