Easyflow refill large size black x 12 / Size M

The write quality of the easyFLOW refill speaks for itself. Here are some technical data explaining the origin of this quality: • Medium line width • 1.0mm thick stainless steel tip • Superior writing performance: 3000 meters writing length • Reliability up to 4000 meters altitude • Thermal stability 40 ° C Thanks to the excellent quality of this refill, when the cap is removed, the ink does not dry out. This refill thus provides a regular flow for a long time.