Quality and value is paramount to the products Zebra manufactures. Every product undergoes vigorous quality assurance testing to guarantee writing performance and maintain the standards Zebra customers have come to expect. Zebra offers a selection of refills and accessories to complement and extend the life of the most popular Zebra writing tools. Zebra's ink lab team is always testing, innovating and perfecting ink formulas for every customer's needs and preferences. Designed to complement Zebra's StylusPen telescopic 1.0 mm ballpoint pen.