Practical: A must-have accessory for Pen to provide a paper-like writing,bring you the same smooth feel as a traditional pencil. Premium Component: Alloy for a better. Soft : It has a moderate touch,neither too soft nor too hard.It feels the same as the standard tip at first,and will become much softer and feel much better after 1-2 days later. Package Includes: 1pc replacement marker nibs for Pen. Regular Replacement: For your using,we recommend that replace the after 4 to 8 weeks of daily use.