Parker D1 Mini Multi-Functional Pen Refills, Red Ink, Medium Point, 5/Pack
5 Pack - Private Reserve 635 Mini D1 Refill 5 Pack - Black
5 Pack - Schmidt 635 Mini D1 Refills - Green
Neo Smartpen N2 for iOS, Android, Smartphones, Tablets, and Windows - Aluminum Smartpen Digitize Your Handwriting and Illustrations - Silver White
Cross Mini Ballpoint Pen Refill, Medium Black, Fits Tech 3, Autocross, Compact, Leather Accessory Pens, 2 Per Card (8518-4)
Rotring D1 Data Stylus Multi Pen Refills, 5/Pack
Schmidt 635 Mini D1 Ballpoint Refill Medium, 4 Pack, Black (SC58149)