Compatible-only compatible with Surface Pro 4 Pen Pro 5 Pro 6 Pro 7 ProX Book Go, etc. Highly sensitive-the tips you a precise writing / drawing experience. With responsiveness and sensitivity, you can write without restriction. quality-the quality of the pen tip is as good as the , which is compatible with surface. No scratches: the fine rubber tip is clean and . No scratches, friction on the screen is also greatly reduced. Easy installation-they are: 2H 2H. Without tools, the pen tips are easy to attach. Only by hand can you replace or remove the tips. Model: 2H 2H Applicable models: for Surface Pro 4/5/6/7/Book ProX Size: 1.5x0.1x0.1cm Weight: 15g Applicable Model: For Pro 4 For Pro 5 For Pro 6 For Pro 7 For Pro (2017) For Book1/2 For Laptop1/2 For Studio For go1/2 Colour:black Material:ABS Package Contents: 5 x Stylus 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.