Fisher Space Pen refill M blue (Office supplies & stationery)
The mine writes very well and easily. You really write underwater and upside down (not that I need it, but still cool). You get for the money, what do you expect.
Fisher Space Pen refill M blue (Office supplies & stationery)
Although the mine is doing what it should - write. However, it fits only partially in my 40-year-old Space Pen: You need When drawing the mine they pinched regularly, so that hurried along.