Kaweco Sketch Up 8 Shape Raw Brass vulpotlood 5,6 mm Cross and the stainless steel nib Pen tip:Fine (F) and the stainless steel nib is available in fine (F) de vulpen is van het vaste zuiger type (146) en de roller heeft een schroefdop 6 mm lead and is therefore very suitable for drawing and sketching Both finishes are untreated