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 : Office Products
Amazon.com : SMTTW 4 in1 Multi-Function Refillable & Retractable Ballpoint Pen + 0.5mm Mechanical Pencil, Fine Point, Blue Metal Barrel, Black/Red/Blue Inks, Multicolor Pen With Metal Gift Box : Office Products