❤ Compatible with pens for Surface Pro4/for 5/for 6/for 7 Pen and for Surface Pro Pen. Please note that the pen is not included. ❤ Made of premium rubber, safe to use. And offer a natural feel as smooth as pen on paper. ❤ High sensitivity. The pen tip can provide you with accurate writing/drawing experience, and has excellent responsiveness and sensitivity. ❤ Easy to install. 3 HB nibs, you can easily install this high-quality nib without any tools, just replace or remove it by hand. ❤ Stylus Pen Nibs Replacement nibs are moderate to the touch and have no impact on your device and won't scratch. ● The fine rubber nib slides smoothly and without scratches, which greatly reduces the friction on the screen. ● Our products are made of high quality material, reliable, durable, wear-resistant, high sensitivity, you bring the same smooth feel as traditional pencils. Specification: Material: rubber Size: about 0.67*0.07*0.07in Applicable to: for Surface Pro4/for 5/for 6/for 7 Pen Colour: black Packing List: 3PCS*Refill