Choose from one of four tips in Surface Pen Tip Kit. The Pen Tip Kit is included with a purchase of Surface Pen?? or you can buy it separately to have extra tips on hand.</br>Compatible with Surface Book?? Surface Pro 4</br></br>Product Description</br></br><BR>Choose from one of fourtips in Surface Pen Tip Kit. The Pen Tip Kit is included with a purchase of Surface Pen?? or you canbuy it separately to have extra tips on hand.<BR>Microsoft Pen tip kit - Choose a pen tip with the right feel for you. Compatible with the latest Surface Pen.<BR></br><br/>http://www.amazon.com/gp/product/B01697GO4S