Some time ago, I bought a Stylo Art pen. I think it's a Shirane Honshu model (at least, it looks very similar to the photo on the Stylo-Art website), but I bought it second hand and no longer have a record of the model. I find it beautiful - enough so that I took a chance on the pen - and to date it is my only urushi pen. The problem is the nib. Or rather, an incompatibility between the nib and me. The pen is fitted with a single-tone 21K Sailor H-F nib and, try as I might, I just cannot love it: it writes too fine a line. I know I like the Sailor Medium, so the obvious thing would to somehow get hold of a Sailor M nib and fit it to the Stylo Art pen (or else go the other way and fit something like a Music nib). So, here are my questions: Do I need to know anything special about the kind of Sailor nibs that Stylo Art uses? I assume that they are standard Sailor nibs, but is that right? And I assume they are friction-fit, but is that accurate? Would any other kinds of nib fit? If nobody can help, I'll simply try pulling and replacing the existing nib when I do manage to find a substitute nib. Responses gratefully received, particularly if it helps prevent me from inadvertently destroying anything.