I appreciate this object that gathers, at each end, two mines, one small and one large format. It's a great economy of space and time. I want to score my filing labels in smaller print? I only have to return the precious utensil and décapuchonner the other end, instead of having to fumble around to grab another pencil. I can also make a stylish and whimsical lettering thanks to the quality of the felt and "versatile" form of the thick XB mine. Practical benefits of this kind, it also makes the small joys of everyday life. What it can hold ...