Wacom - Bamboo Tip is a fine-tip stylus for taking notes on the fly, making lists and drafting concepts on iPhone, iPad and a broad range of Android devices. Capture your ideas
Amazon.com: Bamboo Solo Stylus for iPad - Black (CS100K) [Old Version] : Electronics
Wacom RNAB0081O0U2K bamboo duo stylus + pen for ipad (cs110k) [old version]
Wacom developed new styluses optimized for Windows 10 and iOS - The Verge
Amazon.com: Wacom Bamboo Stylus fineline for iPad 3/4, iPad Air and iPad mini - Gray (CS600CK) : Cell Phones & Accessories
Bamboo Tip : fine-tip stylus for quickly noting ideas on your smartphones and tablets