Compatible with contact pen stylus for Surface Pro 3 and the active pen sold. High quality, the low-friction tip provides you with art-like precision and control. Easy to exchange tip for contact pen of Surface Pro 3. Almost every item has been tested to ensure it is 100% suitable for your Surface Pro 3 pen. Product Feature: - Easy to replace - High Precision - Scratch-Resistant - Imported Conductive Plastic Carbon + Polyacetal Material - Greatly reduced the friction on the screen, as well as long-use of screen scrape - Simply hold the replaced pen tip, pull it out easily, insert the new tip in and use Colour: Black Material: ABS Package Contents: 6 x Pen Tip Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.