BIC 4-Color Ballpoint Pens, Medium Point (1.0mm), 4 Colors in 1 Set of Multicolored Pens, 3-Count Pack of Pens for Journaling and Organizing (MMP31-AST) : Amazon.ca: Office Products
Pentel Click-N-Go Ballpoint Pen, 1.0mm Medium Point, Black Ink, Box of 12 : Amazon.ca: Everything Else
Office Depot Soft-Grip Retractable Ballpoint Pens, Black, Medium 1.0 mm, 12/PK | Grand & Toy
BIC Glide Black Retractable Ballpoint Pens, Medium Point (1.0Mm), 4-Count Pack, 7445012850800 | eBay