Stylus Pen for Lenovo Yoga 520/530/540/740/940 Tablets, EDIVIA Digital Pencil with 1.5mm Ultra Fine Tip Pencil for Lenovo Yoga 5/6/7 Stylus, White - Newegg.com
Amazon.com: Lenovo Active Pen 2, 4096 Levels of Pressure Sensitivity, Customized Shortcut Buttons, for ThinkPad X1 Tablet Gen 2, Miix 720, 510, 520, Yoga 720, 920, Replacement Tips Included, GX80N07825 : Electronics