Morning refill model meaning

For many students, stationery is a must. In their impression, the stationery brand they have used most is M&G, and its quality is also very good. Now let’s talk about the meaning of M&G pen refill models. As we all know, different pen models correspond to different pens. For example, the gel pen refill G-5 press water refill 0.5mm, the gel refill 0.38mm. , G-5 push-button neutral refill, and 4046 full-barrel 0.38MM neutral refill. The pens they correspond to are all unique. During the exam, the required refill should be 0.5mm. When writing the answer sheet, a 2B pencil is needed. This is what it means.