Got this in the late 90’s as a set with a ceramic pen. It was marked MICRO KOREA 0,5 Radix, oddly just with black paint printed on, mostly worn off now. When it wears off completly nobody will know what it is…
Clicks vey nicely, the brushed stainless and concentric rings provide a good grip, but it is (very) back end heavy, not confy to write for long.
Posting it here since I didnt find a single pic online, thought it might be of interest.