0-8450 M – BOOM M

8-0855 uma Tech^® Refill 1.0 blue European large-capacity plastic refill with white or black plastic tube, new silver writing tip and tungsten carbide ball (1.0mm). Writing length: approx. 4,500 meters. German ISO-compliant ink paste. The uma Tech Refill 1.0 provides a pleasant and soft writing feeling.