Set of 8 Inkjoy 100 RT Paper Mate Retractable Ballpoint Pens The revolutionary InkJoy writing system ensures effortless writing and clean, clear lines. Triangular grip zone. Inexpensive pen for the office, school and home. Push-button mechanism with clip, retractable. Transparent casing in the color of the line. Line width of 1 mm. Contains assorted colors: 2x black, red, green and blue. Brand: Paper Mate.