Lenovo ThinkPad Pen Pro-9 - active stylus - black - 4X80Y99082 - Tablet Stylus - CDW.com
Stylus Pen for Lenovo ThinkPad X1 Fold (Stylus Pen by BoxWave) - AccuPoint Active Stylus, Electronic Stylus with Ultra Fine Tip for Lenovo ThinkPad X1 Fold - Metallic Silver - Newegg.com
Lenovo Active Pen - active stylus
Lenovo Active Pen 2 - Capacitive Touchscreen Type Supported - Active - Replaceable Stylus Tip - Silver - Notebook Device Supported : Target