Slim Metal Pen Minimalistic Pen Metal Ball Pen 4 Colour - Etsy
BIC 4-Color Retractable Ballpoint Pen, Med Pt. 1.0mm, Variety (7 pk.) - Sam's Club
Amazon.com : BIC 4 Color Ballpoint Pen, Medium Point (1.0mm), 4 Colors in 1 Set of Multicolor Pens, 3-Count Pack of Refillable Pens for Journaling and Organizing : Rollerball Pens : Office Products