Staedtler Marsmagno 2 Technical Pen - Size 0.70 mm (no paper) + Replacement Nib | eBay
Amazon.com : STAEDTLER 180 22 Noris digital classic, EMR Stylus in Pencil Shape, fine 0.7 mm tip, 4096 pressure-sensitivity levels, no charging required (Please check the compatibility list before purchase),Yellow : Office Products