Amazon.com : Rotring Multi-Function Pen, Four-In-One, 0.5mm Mechanical Pencil with Black/Red/Blue Ballpoint Pen in Triangle Package (502-700F) : Office Products
Amazon.com : Rotring Multi-Function Pen, Four-In-One, 0.5mm Mechanical Pencil with Black/Red/Blue Ballpoint Pen in Triangle Package (502-700F) : Office Products
ROTRING TIKKY 3 IN 1 MULTIFUNCTION PEN by Sanford® Rotring® PAR1904359 | OnTimeSupplies.com
Rotring 600 3-in-1 2 Color Fine Ballpoint Multi Pen + 0.5 mm Pencil - Silver | JetPens
Rotring Quattro Ballpoint Pen, (three colors & pencil), Ex. Rare, Coollectible | eBay
Vintage Rotring Quattro 4-Function Pen, Gunmetal Grey
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), Silver Barrel : Office Products
Amazon.com : SMTTW 4 in1 Multi-Function Refillable & Retractable Ballpoint Pen + 0.5mm Mechanical Pencil, Fine Point, Silver Metal Barrel, Black/Red/Blue Inks, Multicolor Pen With Metal Gift Box : Office Products