Amazon.com: rOtring 600 Ballpoint Pen, Medium Point, Black Ink, Black Barrel, Refillable : Everything Else
Rotring 600 3 in 1 Multi-pen | Unsharpen
Amazon.com: Rotring 600 3-in-1 Multicolor Pen and Mechanical Pencil, Switches Between 2 Ballpoint Pen Fine Point Tips (Black and Red Ink) and 1 Mechanical Pencil Tip (0.5mm Lead), Black Barrel : Everything Else
Rotring 600 3 in 1. March 2020 release, 5400 Yen incl. tax, 32 gr. : r/mechanicalpencils
Rotring 600 Trio Matte Black Ballpoint Pen Blue Red & Pencil In Box Super * | eBay