ASUS Transformer Book T100 Stylus Pen, BoxWave [FineTouch Capacitive Stylus] Super Precise Stylus Pen for ASUS Transformer Book Flip T100 - Metallic Silver Works on all capacitive touch screens Conveniently designed in pen form, perfect for carrying around Durable construction with clear tip to allow vision enhances precision while writing Perfect for cold days when you don't want to remove your gloves Available in Jet Black, Champagne Gold, Lunar Blue, Metallic Silver, and Rose Pink.