Available in HB and 2B grades, and in 0.5mm or 0.7mm diameters, these leads meet the demands of any scenario—from exam-taking to artistic creation. They deliver excellent performance for everyday note-taking, official documentation, quick test-marking, or precise drawing, making them a reliable partner for study and work. iiGEN leads are specially formulated to be break-resistant, even during fast writing. Made from high-quality, safe graphite, they are rigorously tested, non-toxic, and safe for both adults and children. With millimeter-perfect precision, iiGEN refills ensure every written word is clearly defined.