Amazon.com : STAEDTLER 180 22-1 Noris digital Classic EMR Stylus Pencil, Fine, 0.7 mm Tip (Please check the compatibility list before purchase) : Office Products
Amazon.com : STAEDTLER 122-2 BK10 Noris HB Pencil with Eraser Tip, Double Stacked, Pack of 10 : Office Products