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 Sur-face Pro 3.Almost Every item has tested to ensure it is 100% suit for your Surface Pro 3 pen.Product Feature:Easy to replace, High Precision, Scratch-ResistantImported Conductive Plastic Carbon + Polyacetal MaterialGreatly 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 into and use.Colour: BlackMaterial: ABSPackage Contents:3 * Pen TipOnly the above package content, other products are not included.Note: Light shooting 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.