STAEDTLER Ballpoint Pen Large Refill, Set of 5 Blue line Width M, 458 M 3

Jumbo metal refill for G2 ballpoint pens. Easy to remove and insert. Suitable replacement part for many types of ballpoint pens Airplane Safe technology, which enables safe travel on airplanes thanks to automatic ink pressure compensation High-quality permanent ink refills in accordance with ISO 12757-2 Replacement cartridges with blue ink and a diameter of 0.5 millimeters (size M).