and long-lasting for a tool creators and professionals can depend on. Use a rOtring isograph pen for technical precision and all rOtring products for a reliable tool for artists, engineers and individuals who require high quality writing instruments for their art, design drawing, drafting and more...
Not a big deal - just a question. Also, my first "major" pen purchase was a rotring 600 series triopen in '97 - and at the time, I thought that the 600/Newton labeling was almost synonymous or something, because I thought it was one line with more than one name. At the time, I...