The Microsoft Surface Pen Stylet in Black is a sleek and precise active stylus made specifically for Microsoft Surface devices. It is compatible with various models including Surface Pro, Surface Book, Surface Pro 3, Surface 3, Surface Book 2, and more. With a weight of 4.4lbs and dimensions of 0.38in x 5.75in x 0.38in, this Microsoft branded stylus offers a comfortable and natural writing experience on your tablet or eBook reader. Its high-quality construction and compatibility make it a must-have accessory for those who require precision and accuracy in their digital writing tasks.