Staedtler Testsurfer Classic, Efficient for ecology: inkjet safe - colors do not smudge on inkjet printouts and handwritten text, polypropylene barrel guarantees long service life, easy refill with 488 64 refill station. For standard, fax and duplicating paper, with large ink reservoir for extra-long highlighting performance, fade-resistant pigment inks, purple and turquoise for documents that are to be copied, fast drying, twist cap for easy opening, aeroplane-safe. The barrel is the same color as the ink. Cap with a clip Line thickness: 1 - 5 mm. Colors: 1 yellow, 2 red, 23 pink, 3 blue, 35 turquoise, 4 orange, 5 green, 6 violet.